5557880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 13478400

約数和(自身を除く): 7920520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 103, 142, 152, 190, 206, 284, 355, 380, 412, 515, 568, 710, 760, 824, 1030, 1349, 1420, 1957, 2060, 2698, 2840, 3914, 4120, 5396, 6745, 7313, 7828, 9785, 10792, 13490, 14626, 15656, 19570, 26980, 29252, 36565, 39140, 53960, 58504, 73130, 78280, 138947, 146260, 277894, 292520, 555788, 694735, 1111576, 1389470, 2778940, 5557880]

約数ペア:

[(1, 5557880), (2, 2778940), (4, 1389470), (5, 1111576), (8, 694735), (10, 555788), (19, 292520), (20, 277894), (38, 146260), (40, 138947), (71, 78280), (76, 73130), (95, 58504), (103, 53960), (142, 39140), (152, 36565), (190, 29252), (206, 26980), (284, 19570), (355, 15656), (380, 14626), (412, 13490), (515, 10792), (568, 9785), (710, 7828), (760, 7313), (824, 6745), (1030, 5396), (1349, 4120), (1420, 3914), (1957, 2840), (2060, 2698)]