40827280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1061}}^1$

素因数の和:1124

約数の個数: 80

約数和(自身を含む): 105087024

約数和(自身を除く): 64259744

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1061, 1480, 1924, 2122, 2405, 2960, 3848, 4244, 4810, 5305, 7696, 8488, 9620, 10610, 13793, 16976, 19240, 21220, 27586, 38480, 39257, 42440, 55172, 68965, 78514, 84880, 110344, 137930, 157028, 196285, 220688, 275860, 314056, 392570, 510341, 551720, 628112, 785140, 1020682, 1103440, 1570280, 2041364, 2551705, 3140560, 4082728, 5103410, 8165456, 10206820, 20413640, 40827280]

約数ペア:

[(1, 40827280), (2, 20413640), (4, 10206820), (5, 8165456), (8, 5103410), (10, 4082728), (13, 3140560), (16, 2551705), (20, 2041364), (26, 1570280), (37, 1103440), (40, 1020682), (52, 785140), (65, 628112), (74, 551720), (80, 510341), (104, 392570), (130, 314056), (148, 275860), (185, 220688), (208, 196285), (260, 157028), (296, 137930), (370, 110344), (481, 84880), (520, 78514), (592, 68965), (740, 55172), (962, 42440), (1040, 39257), (1061, 38480), (1480, 27586), (1924, 21220), (2122, 19240), (2405, 16976), (2960, 13793), (3848, 10610), (4244, 9620), (4810, 8488), (5305, 7696)]