90526640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59557}}^1$

素因数の和:59589

約数の個数: 40

約数和(自身を含む): 221555760

約数和(自身を除く): 131029120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 59557, 119114, 238228, 297785, 476456, 595570, 952912, 1131583, 1191140, 2263166, 2382280, 4526332, 4764560, 5657915, 9052664, 11315830, 18105328, 22631660, 45263320, 90526640]

約数ペア:

[(1, 90526640), (2, 45263320), (4, 22631660), (5, 18105328), (8, 11315830), (10, 9052664), (16, 5657915), (19, 4764560), (20, 4526332), (38, 2382280), (40, 2263166), (76, 1191140), (80, 1131583), (95, 952912), (152, 595570), (190, 476456), (304, 297785), (380, 238228), (760, 119114), (1520, 59557)]