8845640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 21340800

約数和(自身を除く): 12495160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 103, 113, 152, 190, 206, 226, 380, 412, 452, 515, 565, 760, 824, 904, 1030, 1130, 1957, 2060, 2147, 2260, 3914, 4120, 4294, 4520, 7828, 8588, 9785, 10735, 11639, 15656, 17176, 19570, 21470, 23278, 39140, 42940, 46556, 58195, 78280, 85880, 93112, 116390, 221141, 232780, 442282, 465560, 884564, 1105705, 1769128, 2211410, 4422820, 8845640]

約数ペア:

[(1, 8845640), (2, 4422820), (4, 2211410), (5, 1769128), (8, 1105705), (10, 884564), (19, 465560), (20, 442282), (38, 232780), (40, 221141), (76, 116390), (95, 93112), (103, 85880), (113, 78280), (152, 58195), (190, 46556), (206, 42940), (226, 39140), (380, 23278), (412, 21470), (452, 19570), (515, 17176), (565, 15656), (760, 11639), (824, 10735), (904, 9785), (1030, 8588), (1130, 7828), (1957, 4520), (2060, 4294), (2147, 4120), (2260, 3914)]