51990760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{757}}^1$

素因数の和:886

約数の個数: 64

約数和(自身を含む): 125251920

約数和(自身を除く): 73261160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 101, 136, 170, 202, 340, 404, 505, 680, 757, 808, 1010, 1514, 1717, 2020, 3028, 3434, 3785, 4040, 6056, 6868, 7570, 8585, 12869, 13736, 15140, 17170, 25738, 30280, 34340, 51476, 64345, 68680, 76457, 102952, 128690, 152914, 257380, 305828, 382285, 514760, 611656, 764570, 1299769, 1529140, 2599538, 3058280, 5199076, 6498845, 10398152, 12997690, 25995380, 51990760]

約数ペア:

[(1, 51990760), (2, 25995380), (4, 12997690), (5, 10398152), (8, 6498845), (10, 5199076), (17, 3058280), (20, 2599538), (34, 1529140), (40, 1299769), (68, 764570), (85, 611656), (101, 514760), (136, 382285), (170, 305828), (202, 257380), (340, 152914), (404, 128690), (505, 102952), (680, 76457), (757, 68680), (808, 64345), (1010, 51476), (1514, 34340), (1717, 30280), (2020, 25738), (3028, 17170), (3434, 15140), (3785, 13736), (4040, 12869), (6056, 8585), (6868, 7570)]