20170177960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3169}}^1\times {\mathrm{3881}}^1$

素因数の和:7102

約数の個数: 64

約数和(自身を含む): 46516453200

約数和(自身を除く): 26346275240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 3169, 3881, 6338, 7762, 12676, 15524, 15845, 19405, 25352, 31048, 31690, 38810, 63380, 77620, 126760, 129929, 155240, 159121, 259858, 318242, 519716, 636484, 649645, 795605, 1039432, 1272968, 1299290, 1591210, 2598580, 3182420, 5197160, 6364840, 12298889, 24597778, 49195556, 61494445, 98391112, 122988890, 245977780, 491955560, 504254449, 1008508898, 2017017796, 2521272245, 4034035592, 5042544490, 10085088980, 20170177960]

約数ペア:

[(1, 20170177960), (2, 10085088980), (4, 5042544490), (5, 4034035592), (8, 2521272245), (10, 2017017796), (20, 1008508898), (40, 504254449), (41, 491955560), (82, 245977780), (164, 122988890), (205, 98391112), (328, 61494445), (410, 49195556), (820, 24597778), (1640, 12298889), (3169, 6364840), (3881, 5197160), (6338, 3182420), (7762, 2598580), (12676, 1591210), (15524, 1299290), (15845, 1272968), (19405, 1039432), (25352, 795605), (31048, 649645), (31690, 636484), (38810, 519716), (63380, 318242), (77620, 259858), (126760, 159121), (129929, 155240)]