90953840

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 218557440

約数和(自身を除く): 127603600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 71, 80, 134, 142, 239, 268, 284, 335, 355, 478, 536, 568, 670, 710, 956, 1072, 1136, 1195, 1340, 1420, 1912, 2390, 2680, 2840, 3824, 4757, 4780, 5360, 5680, 9514, 9560, 16013, 16969, 19028, 19120, 23785, 32026, 33938, 38056, 47570, 64052, 67876, 76112, 80065, 84845, 95140, 128104, 135752, 160130, 169690, 190280, 256208, 271504, 320260, 339380, 380560, 640520, 678760, 1136923, 1281040, 1357520, 2273846, 4547692, 5684615, 9095384, 11369230, 18190768, 22738460, 45476920, 90953840]

約数ペア:

[(1, 90953840), (2, 45476920), (4, 22738460), (5, 18190768), (8, 11369230), (10, 9095384), (16, 5684615), (20, 4547692), (40, 2273846), (67, 1357520), (71, 1281040), (80, 1136923), (134, 678760), (142, 640520), (239, 380560), (268, 339380), (284, 320260), (335, 271504), (355, 256208), (478, 190280), (536, 169690), (568, 160130), (670, 135752), (710, 128104), (956, 95140), (1072, 84845), (1136, 80065), (1195, 76112), (1340, 67876), (1420, 64052), (1912, 47570), (2390, 38056), (2680, 33938), (2840, 32026), (3824, 23785), (4757, 19120), (4780, 19028), (5360, 16969), (5680, 16013), (9514, 9560)]