126840880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{38671}}^1$

素因数の和:38725

約数の個数: 40

約数和(自身を含む): 302105664

約数和(自身を除く): 175264784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 38671, 77342, 154684, 193355, 309368, 386710, 618736, 773420, 1546840, 1585511, 3093680, 3171022, 6342044, 7927555, 12684088, 15855110, 25368176, 31710220, 63420440, 126840880]

約数ペア:

[(1, 126840880), (2, 63420440), (4, 31710220), (5, 25368176), (8, 15855110), (10, 12684088), (16, 7927555), (20, 6342044), (40, 3171022), (41, 3093680), (80, 1585511), (82, 1546840), (164, 773420), (205, 618736), (328, 386710), (410, 309368), (656, 193355), (820, 154684), (1640, 77342), (3280, 38671)]