28026830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2729}}^1$

素因数の和:2828

約数の個数: 32

約数和(自身を含む): 55036800

約数和(自身を除く): 27009970

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 2729, 5135, 5458, 10270, 13645, 27290, 35477, 70954, 177385, 215591, 354770, 431182, 1077955, 2155910, 2802683, 5605366, 14013415, 28026830]

約数ペア:

[(1, 28026830), (2, 14013415), (5, 5605366), (10, 2802683), (13, 2155910), (26, 1077955), (65, 431182), (79, 354770), (130, 215591), (158, 177385), (395, 70954), (790, 35477), (1027, 27290), (2054, 13645), (2729, 10270), (5135, 5458)]