40889940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7489}}^1$

素因数の和:7521

約数の個数: 96

約数和(自身を含む): 140931840

約数和(自身を除く): 100041900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 7489, 14978, 22467, 29956, 37445, 44934, 52423, 74890, 89868, 97357, 104846, 112335, 149780, 157269, 194714, 209692, 224670, 262115, 292071, 314538, 389428, 449340, 486785, 524230, 584142, 629076, 681499, 786345, 973570, 1048460, 1168284, 1362998, 1460355, 1572690, 1947140, 2044497, 2725996, 2920710, 3145380, 3407495, 4088994, 5841420, 6814990, 8177988, 10222485, 13629980, 20444970, 40889940]

約数ペア:

[(1, 40889940), (2, 20444970), (3, 13629980), (4, 10222485), (5, 8177988), (6, 6814990), (7, 5841420), (10, 4088994), (12, 3407495), (13, 3145380), (14, 2920710), (15, 2725996), (20, 2044497), (21, 1947140), (26, 1572690), (28, 1460355), (30, 1362998), (35, 1168284), (39, 1048460), (42, 973570), (52, 786345), (60, 681499), (65, 629076), (70, 584142), (78, 524230), (84, 486785), (91, 449340), (105, 389428), (130, 314538), (140, 292071), (156, 262115), (182, 224670), (195, 209692), (210, 194714), (260, 157269), (273, 149780), (364, 112335), (390, 104846), (420, 97357), (455, 89868), (546, 74890), (780, 52423), (910, 44934), (1092, 37445), (1365, 29956), (1820, 22467), (2730, 14978), (5460, 7489)]