84345560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8537}}^1$

素因数の和:8580

約数の個数: 64

約数和(自身を含む): 215157600

約数和(自身を除く): 130812040

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 8537, 9880, 17074, 34148, 42685, 68296, 85370, 110981, 162203, 170740, 221962, 324406, 341480, 443924, 554905, 648812, 811015, 887848, 1109810, 1297624, 1622030, 2108639, 2219620, 3244060, 4217278, 4439240, 6488120, 8434556, 10543195, 16869112, 21086390, 42172780, 84345560]

約数ペア:

[(1, 84345560), (2, 42172780), (4, 21086390), (5, 16869112), (8, 10543195), (10, 8434556), (13, 6488120), (19, 4439240), (20, 4217278), (26, 3244060), (38, 2219620), (40, 2108639), (52, 1622030), (65, 1297624), (76, 1109810), (95, 887848), (104, 811015), (130, 648812), (152, 554905), (190, 443924), (247, 341480), (260, 324406), (380, 221962), (494, 170740), (520, 162203), (760, 110981), (988, 85370), (1235, 68296), (1976, 42685), (2470, 34148), (4940, 17074), (8537, 9880)]