28694240

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^2\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 70203672

約数和(自身を除く): 41509432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 131, 148, 160, 185, 262, 296, 370, 524, 592, 655, 740, 1048, 1184, 1310, 1369, 1480, 2096, 2620, 2738, 2960, 4192, 4847, 5240, 5476, 5920, 6845, 9694, 10480, 10952, 13690, 19388, 20960, 21904, 24235, 27380, 38776, 43808, 48470, 54760, 77552, 96940, 109520, 155104, 179339, 193880, 219040, 358678, 387760, 717356, 775520, 896695, 1434712, 1793390, 2869424, 3586780, 5738848, 7173560, 14347120, 28694240]

約数ペア:

[(1, 28694240), (2, 14347120), (4, 7173560), (5, 5738848), (8, 3586780), (10, 2869424), (16, 1793390), (20, 1434712), (32, 896695), (37, 775520), (40, 717356), (74, 387760), (80, 358678), (131, 219040), (148, 193880), (160, 179339), (185, 155104), (262, 109520), (296, 96940), (370, 77552), (524, 54760), (592, 48470), (655, 43808), (740, 38776), (1048, 27380), (1184, 24235), (1310, 21904), (1369, 20960), (1480, 19388), (2096, 13690), (2620, 10952), (2738, 10480), (2960, 9694), (4192, 6845), (4847, 5920), (5240, 5476)]