40794880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 116262720

約数和(自身を除く): 75467840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 128, 140, 145, 157, 160, 203, 224, 232, 256, 280, 290, 314, 320, 406, 448, 464, 560, 580, 628, 640, 785, 812, 896, 928, 1015, 1099, 1120, 1160, 1256, 1280, 1570, 1624, 1792, 1856, 2030, 2198, 2240, 2320, 2512, 3140, 3248, 3712, 4060, 4396, 4480, 4553, 4640, 5024, 5495, 6280, 6496, 7424, 8120, 8792, 8960, 9106, 9280, 10048, 10990, 12560, 12992, 16240, 17584, 18212, 18560, 20096, 21980, 22765, 25120, 25984, 31871, 32480, 35168, 36424, 37120, 40192, 43960, 45530, 50240, 51968, 63742, 64960, 70336, 72848, 87920, 91060, 100480, 127484, 129920, 140672, 145696, 159355, 175840, 182120, 200960, 254968, 259840, 281344, 291392, 318710, 351680, 364240, 509936, 582784, 637420, 703360, 728480, 1019872, 1165568, 1274840, 1406720, 1456960, 2039744, 2549680, 2913920, 4079488, 5099360, 5827840, 8158976, 10198720, 20397440, 40794880]

約数ペア:

[(1, 40794880), (2, 20397440), (4, 10198720), (5, 8158976), (7, 5827840), (8, 5099360), (10, 4079488), (14, 2913920), (16, 2549680), (20, 2039744), (28, 1456960), (29, 1406720), (32, 1274840), (35, 1165568), (40, 1019872), (56, 728480), (58, 703360), (64, 637420), (70, 582784), (80, 509936), (112, 364240), (116, 351680), (128, 318710), (140, 291392), (145, 281344), (157, 259840), (160, 254968), (203, 200960), (224, 182120), (232, 175840), (256, 159355), (280, 145696), (290, 140672), (314, 129920), (320, 127484), (406, 100480), (448, 91060), (464, 87920), (560, 72848), (580, 70336), (628, 64960), (640, 63742), (785, 51968), (812, 50240), (896, 45530), (928, 43960), (1015, 40192), (1099, 37120), (1120, 36424), (1160, 35168), (1256, 32480), (1280, 31871), (1570, 25984), (1624, 25120), (1792, 22765), (1856, 21980), (2030, 20096), (2198, 18560), (2240, 18212), (2320, 17584), (2512, 16240), (3140, 12992), (3248, 12560), (3712, 10990), (4060, 10048), (4396, 9280), (4480, 9106), (4553, 8960), (4640, 8792), (5024, 8120), (5495, 7424), (6280, 6496)]