31539170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 64350720

約数和(自身を除く): 32811550

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 79, 83, 130, 158, 166, 185, 370, 395, 415, 481, 790, 830, 962, 1027, 1079, 2054, 2158, 2405, 2923, 3071, 4810, 5135, 5395, 5846, 6142, 6557, 10270, 10790, 13114, 14615, 15355, 29230, 30710, 32785, 37999, 39923, 65570, 75998, 79846, 85241, 170482, 189995, 199615, 242609, 379990, 399230, 426205, 485218, 852410, 1213045, 2426090, 3153917, 6307834, 15769585, 31539170]

約数ペア:

[(1, 31539170), (2, 15769585), (5, 6307834), (10, 3153917), (13, 2426090), (26, 1213045), (37, 852410), (65, 485218), (74, 426205), (79, 399230), (83, 379990), (130, 242609), (158, 199615), (166, 189995), (185, 170482), (370, 85241), (395, 79846), (415, 75998), (481, 65570), (790, 39923), (830, 37999), (962, 32785), (1027, 30710), (1079, 29230), (2054, 15355), (2158, 14615), (2405, 13114), (2923, 10790), (3071, 10270), (4810, 6557), (5135, 6142), (5395, 5846)]