8907611920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{189041}}^1$

素因数の和:189104

約数の個数: 80

約数和(自身を含む): 22503559680

約数和(自身を除く): 13595947760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 11780, 23560, 47120, 189041, 378082, 756164, 945205, 1512328, 1890410, 3024656, 3591779, 3780820, 5860271, 7183558, 7561640, 11720542, 14367116, 15123280, 17958895, 23441084, 28734232, 29301355, 35917790, 46882168, 57468464, 58602710, 71835580, 93764336, 111345149, 117205420, 143671160, 222690298, 234410840, 287342320, 445380596, 468821680, 556725745, 890761192, 1113451490, 1781522384, 2226902980, 4453805960, 8907611920]

約数ペア:

[(1, 8907611920), (2, 4453805960), (4, 2226902980), (5, 1781522384), (8, 1113451490), (10, 890761192), (16, 556725745), (19, 468821680), (20, 445380596), (31, 287342320), (38, 234410840), (40, 222690298), (62, 143671160), (76, 117205420), (80, 111345149), (95, 93764336), (124, 71835580), (152, 58602710), (155, 57468464), (190, 46882168), (248, 35917790), (304, 29301355), (310, 28734232), (380, 23441084), (496, 17958895), (589, 15123280), (620, 14367116), (760, 11720542), (1178, 7561640), (1240, 7183558), (1520, 5860271), (2356, 3780820), (2480, 3591779), (2945, 3024656), (4712, 1890410), (5890, 1512328), (9424, 945205), (11780, 756164), (23560, 378082), (47120, 189041)]