20167557100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1471}}^1\times {\mathrm{1931}}^1$

素因数の和:3487

約数の個数: 72

約数和(自身を含む): 44433156096

約数和(自身を除く): 24265598996

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1471, 1775, 1931, 2942, 3550, 3862, 5884, 7100, 7355, 7724, 9655, 14710, 19310, 29420, 36775, 38620, 48275, 73550, 96550, 104441, 137101, 147100, 193100, 208882, 274202, 417764, 522205, 548404, 685505, 1044410, 1371010, 2088820, 2611025, 2742020, 2840501, 3427525, 5222050, 5681002, 6855050, 10444100, 11362004, 13710100, 14202505, 28405010, 56810020, 71012525, 142025050, 201675571, 284050100, 403351142, 806702284, 1008377855, 2016755710, 4033511420, 5041889275, 10083778550, 20167557100]

約数ペア:

[(1, 20167557100), (2, 10083778550), (4, 5041889275), (5, 4033511420), (10, 2016755710), (20, 1008377855), (25, 806702284), (50, 403351142), (71, 284050100), (100, 201675571), (142, 142025050), (284, 71012525), (355, 56810020), (710, 28405010), (1420, 14202505), (1471, 13710100), (1775, 11362004), (1931, 10444100), (2942, 6855050), (3550, 5681002), (3862, 5222050), (5884, 3427525), (7100, 2840501), (7355, 2742020), (7724, 2611025), (9655, 2088820), (14710, 1371010), (19310, 1044410), (29420, 685505), (36775, 548404), (38620, 522205), (48275, 417764), (73550, 274202), (96550, 208882), (104441, 193100), (137101, 147100)]