25152520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:862

約数の個数: 64

約数和(自身を含む): 61274880

約数和(自身を除く): 36122360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 787, 799, 940, 1574, 1598, 1880, 3148, 3196, 3935, 3995, 6296, 6392, 7870, 7990, 13379, 15740, 15980, 26758, 31480, 31960, 36989, 53516, 66895, 73978, 107032, 133790, 147956, 184945, 267580, 295912, 369890, 535160, 628813, 739780, 1257626, 1479560, 2515252, 3144065, 5030504, 6288130, 12576260, 25152520]

約数ペア:

[(1, 25152520), (2, 12576260), (4, 6288130), (5, 5030504), (8, 3144065), (10, 2515252), (17, 1479560), (20, 1257626), (34, 739780), (40, 628813), (47, 535160), (68, 369890), (85, 295912), (94, 267580), (136, 184945), (170, 147956), (188, 133790), (235, 107032), (340, 73978), (376, 66895), (470, 53516), (680, 36989), (787, 31960), (799, 31480), (940, 26758), (1574, 15980), (1598, 15740), (1880, 13379), (3148, 7990), (3196, 7870), (3935, 6392), (3995, 6296)]