25010040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18947}}^1$

素因数の和:18972

約数の個数: 64

約数和(自身を含む): 81855360

約数和(自身を除く): 56845320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 18947, 37894, 56841, 75788, 94735, 113682, 151576, 189470, 208417, 227364, 284205, 378940, 416834, 454728, 568410, 625251, 757880, 833668, 1042085, 1136820, 1250502, 1667336, 2084170, 2273640, 2501004, 3126255, 4168340, 5002008, 6252510, 8336680, 12505020, 25010040]

約数ペア:

[(1, 25010040), (2, 12505020), (3, 8336680), (4, 6252510), (5, 5002008), (6, 4168340), (8, 3126255), (10, 2501004), (11, 2273640), (12, 2084170), (15, 1667336), (20, 1250502), (22, 1136820), (24, 1042085), (30, 833668), (33, 757880), (40, 625251), (44, 568410), (55, 454728), (60, 416834), (66, 378940), (88, 284205), (110, 227364), (120, 208417), (132, 189470), (165, 151576), (220, 113682), (264, 94735), (330, 75788), (440, 56841), (660, 37894), (1320, 18947)]