53214760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 127915200

約数和(自身を除く): 74700440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 139, 170, 278, 340, 556, 563, 680, 695, 1112, 1126, 1390, 2252, 2363, 2780, 2815, 4504, 4726, 5560, 5630, 9452, 9571, 11260, 11815, 18904, 19142, 22520, 23630, 38284, 47260, 47855, 76568, 78257, 94520, 95710, 156514, 191420, 313028, 382840, 391285, 626056, 782570, 1330369, 1565140, 2660738, 3130280, 5321476, 6651845, 10642952, 13303690, 26607380, 53214760]

約数ペア:

[(1, 53214760), (2, 26607380), (4, 13303690), (5, 10642952), (8, 6651845), (10, 5321476), (17, 3130280), (20, 2660738), (34, 1565140), (40, 1330369), (68, 782570), (85, 626056), (136, 391285), (139, 382840), (170, 313028), (278, 191420), (340, 156514), (556, 95710), (563, 94520), (680, 78257), (695, 76568), (1112, 47855), (1126, 47260), (1390, 38284), (2252, 23630), (2363, 22520), (2780, 19142), (2815, 18904), (4504, 11815), (4726, 11260), (5560, 9571), (5630, 9452)]