40697440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:237

約数の個数: 144

約数和(自身を含む): 116348400

約数和(自身を除く): 75650960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 160, 179, 196, 203, 224, 232, 245, 280, 290, 358, 392, 406, 464, 490, 560, 580, 716, 784, 812, 895, 928, 980, 1015, 1120, 1160, 1253, 1421, 1432, 1568, 1624, 1790, 1960, 2030, 2320, 2506, 2842, 2864, 3248, 3580, 3920, 4060, 4640, 5012, 5191, 5684, 5728, 6265, 6496, 7105, 7160, 7840, 8120, 8771, 10024, 10382, 11368, 12530, 14210, 14320, 16240, 17542, 20048, 20764, 22736, 25060, 25955, 28420, 28640, 32480, 35084, 36337, 40096, 41528, 43855, 45472, 50120, 51910, 56840, 70168, 72674, 83056, 87710, 100240, 103820, 113680, 140336, 145348, 166112, 175420, 181685, 200480, 207640, 227360, 254359, 280672, 290696, 350840, 363370, 415280, 508718, 581392, 701680, 726740, 830560, 1017436, 1162784, 1271795, 1403360, 1453480, 2034872, 2543590, 2906960, 4069744, 5087180, 5813920, 8139488, 10174360, 20348720, 40697440]

約数ペア:

[(1, 40697440), (2, 20348720), (4, 10174360), (5, 8139488), (7, 5813920), (8, 5087180), (10, 4069744), (14, 2906960), (16, 2543590), (20, 2034872), (28, 1453480), (29, 1403360), (32, 1271795), (35, 1162784), (40, 1017436), (49, 830560), (56, 726740), (58, 701680), (70, 581392), (80, 508718), (98, 415280), (112, 363370), (116, 350840), (140, 290696), (145, 280672), (160, 254359), (179, 227360), (196, 207640), (203, 200480), (224, 181685), (232, 175420), (245, 166112), (280, 145348), (290, 140336), (358, 113680), (392, 103820), (406, 100240), (464, 87710), (490, 83056), (560, 72674), (580, 70168), (716, 56840), (784, 51910), (812, 50120), (895, 45472), (928, 43855), (980, 41528), (1015, 40096), (1120, 36337), (1160, 35084), (1253, 32480), (1421, 28640), (1432, 28420), (1568, 25955), (1624, 25060), (1790, 22736), (1960, 20764), (2030, 20048), (2320, 17542), (2506, 16240), (2842, 14320), (2864, 14210), (3248, 12530), (3580, 11368), (3920, 10382), (4060, 10024), (4640, 8771), (5012, 8120), (5191, 7840), (5684, 7160), (5728, 7105), (6265, 6496)]