28107950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:629

約数の個数: 48

約数和(自身を含む): 57090096

約数和(自身を除く): 28982146

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 83, 130, 166, 325, 415, 521, 650, 830, 1042, 1079, 2075, 2158, 2605, 4150, 5210, 5395, 6773, 10790, 13025, 13546, 26050, 26975, 33865, 43243, 53950, 67730, 86486, 169325, 216215, 338650, 432430, 562159, 1081075, 1124318, 2162150, 2810795, 5621590, 14053975, 28107950]

約数ペア:

[(1, 28107950), (2, 14053975), (5, 5621590), (10, 2810795), (13, 2162150), (25, 1124318), (26, 1081075), (50, 562159), (65, 432430), (83, 338650), (130, 216215), (166, 169325), (325, 86486), (415, 67730), (521, 53950), (650, 43243), (830, 33865), (1042, 26975), (1079, 26050), (2075, 13546), (2158, 13025), (2605, 10790), (4150, 6773), (5210, 5395)]