66764360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{128393}}^1$

素因数の和:128417

約数の個数: 32

約数和(自身を含む): 161776440

約数和(自身を除く): 95012080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 128393, 256786, 513572, 641965, 1027144, 1283930, 1669109, 2567860, 3338218, 5135720, 6676436, 8345545, 13352872, 16691090, 33382180, 66764360]

約数ペア:

[(1, 66764360), (2, 33382180), (4, 16691090), (5, 13352872), (8, 8345545), (10, 6676436), (13, 5135720), (20, 3338218), (26, 2567860), (40, 1669109), (52, 1283930), (65, 1027144), (104, 641965), (130, 513572), (260, 256786), (520, 128393)]