28153360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 70281216

約数和(自身を除く): 42127856

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 127, 136, 163, 170, 254, 272, 326, 340, 508, 635, 652, 680, 815, 1016, 1270, 1304, 1360, 1630, 2032, 2159, 2540, 2608, 2771, 3260, 4318, 5080, 5542, 6520, 8636, 10160, 10795, 11084, 13040, 13855, 17272, 20701, 21590, 22168, 27710, 34544, 41402, 43180, 44336, 55420, 82804, 86360, 103505, 110840, 165608, 172720, 207010, 221680, 331216, 351917, 414020, 703834, 828040, 1407668, 1656080, 1759585, 2815336, 3519170, 5630672, 7038340, 14076680, 28153360]

約数ペア:

[(1, 28153360), (2, 14076680), (4, 7038340), (5, 5630672), (8, 3519170), (10, 2815336), (16, 1759585), (17, 1656080), (20, 1407668), (34, 828040), (40, 703834), (68, 414020), (80, 351917), (85, 331216), (127, 221680), (136, 207010), (163, 172720), (170, 165608), (254, 110840), (272, 103505), (326, 86360), (340, 82804), (508, 55420), (635, 44336), (652, 43180), (680, 41402), (815, 34544), (1016, 27710), (1270, 22168), (1304, 21590), (1360, 20701), (1630, 17272), (2032, 13855), (2159, 13040), (2540, 11084), (2608, 10795), (2771, 10160), (3260, 8636), (4318, 6520), (5080, 5542)]