80748680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{929}}^1$

素因数の和:1034

約数の個数: 64

約数和(自身を含む): 189831600

約数和(自身を除く): 109082920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 53, 82, 106, 164, 205, 212, 265, 328, 410, 424, 530, 820, 929, 1060, 1640, 1858, 2120, 2173, 3716, 4346, 4645, 7432, 8692, 9290, 10865, 17384, 18580, 21730, 37160, 38089, 43460, 49237, 76178, 86920, 98474, 152356, 190445, 196948, 246185, 304712, 380890, 393896, 492370, 761780, 984740, 1523560, 1969480, 2018717, 4037434, 8074868, 10093585, 16149736, 20187170, 40374340, 80748680]

約数ペア:

[(1, 80748680), (2, 40374340), (4, 20187170), (5, 16149736), (8, 10093585), (10, 8074868), (20, 4037434), (40, 2018717), (41, 1969480), (53, 1523560), (82, 984740), (106, 761780), (164, 492370), (205, 393896), (212, 380890), (265, 304712), (328, 246185), (410, 196948), (424, 190445), (530, 152356), (820, 98474), (929, 86920), (1060, 76178), (1640, 49237), (1858, 43460), (2120, 38089), (2173, 37160), (3716, 21730), (4346, 18580), (4645, 17384), (7432, 10865), (8692, 9290)]