1640568032

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{2069}}^1$

素因数の和:2499

約数の個数: 48

約数和(自身を含む): 3286332000

約数和(自身を除く): 1645763968

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 349, 568, 698, 1136, 1396, 2069, 2272, 2792, 4138, 5584, 8276, 11168, 16552, 24779, 33104, 49558, 66208, 99116, 146899, 198232, 293798, 396464, 587596, 722081, 792928, 1175192, 1444162, 2350384, 2888324, 4700768, 5776648, 11553296, 23106592, 51267751, 102535502, 205071004, 410142008, 820284016, 1640568032]

約数ペア:

[(1, 1640568032), (2, 820284016), (4, 410142008), (8, 205071004), (16, 102535502), (32, 51267751), (71, 23106592), (142, 11553296), (284, 5776648), (349, 4700768), (568, 2888324), (698, 2350384), (1136, 1444162), (1396, 1175192), (2069, 792928), (2272, 722081), (2792, 587596), (4138, 396464), (5584, 293798), (8276, 198232), (11168, 146899), (16552, 99116), (24779, 66208), (33104, 49558)]