40385800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:360

約数の個数: 144

約数和(自身を含む): 118000260

約数和(自身を除く): 77614460

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 91, 98, 100, 104, 130, 140, 175, 182, 196, 200, 245, 260, 280, 317, 325, 350, 364, 392, 455, 490, 520, 634, 637, 650, 700, 728, 910, 980, 1225, 1268, 1274, 1300, 1400, 1585, 1820, 1960, 2219, 2275, 2450, 2536, 2548, 2600, 3170, 3185, 3640, 4121, 4438, 4550, 4900, 5096, 6340, 6370, 7925, 8242, 8876, 9100, 9800, 11095, 12680, 12740, 15533, 15850, 15925, 16484, 17752, 18200, 20605, 22190, 25480, 28847, 31066, 31700, 31850, 32968, 41210, 44380, 55475, 57694, 62132, 63400, 63700, 77665, 82420, 88760, 103025, 110950, 115388, 124264, 127400, 144235, 155330, 164840, 201929, 206050, 221900, 230776, 288470, 310660, 388325, 403858, 412100, 443800, 576940, 621320, 721175, 776650, 807716, 824200, 1009645, 1153880, 1442350, 1553300, 1615432, 2019290, 2884700, 3106600, 4038580, 5048225, 5769400, 8077160, 10096450, 20192900, 40385800]

約数ペア:

[(1, 40385800), (2, 20192900), (4, 10096450), (5, 8077160), (7, 5769400), (8, 5048225), (10, 4038580), (13, 3106600), (14, 2884700), (20, 2019290), (25, 1615432), (26, 1553300), (28, 1442350), (35, 1153880), (40, 1009645), (49, 824200), (50, 807716), (52, 776650), (56, 721175), (65, 621320), (70, 576940), (91, 443800), (98, 412100), (100, 403858), (104, 388325), (130, 310660), (140, 288470), (175, 230776), (182, 221900), (196, 206050), (200, 201929), (245, 164840), (260, 155330), (280, 144235), (317, 127400), (325, 124264), (350, 115388), (364, 110950), (392, 103025), (455, 88760), (490, 82420), (520, 77665), (634, 63700), (637, 63400), (650, 62132), (700, 57694), (728, 55475), (910, 44380), (980, 41210), (1225, 32968), (1268, 31850), (1274, 31700), (1300, 31066), (1400, 28847), (1585, 25480), (1820, 22190), (1960, 20605), (2219, 18200), (2275, 17752), (2450, 16484), (2536, 15925), (2548, 15850), (2600, 15533), (3170, 12740), (3185, 12680), (3640, 11095), (4121, 9800), (4438, 9100), (4550, 8876), (4900, 8242), (5096, 7925), (6340, 6370)]