31904860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{443}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 72578016

約数和(自身を除く): 40673156

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277, 443, 554, 886, 1108, 1385, 1772, 2215, 2770, 3601, 4430, 5540, 5759, 7202, 8860, 11518, 14404, 18005, 23036, 28795, 36010, 57590, 72020, 115180, 122711, 245422, 490844, 613555, 1227110, 1595243, 2454220, 3190486, 6380972, 7976215, 15952430, 31904860]

約数ペア:

[(1, 31904860), (2, 15952430), (4, 7976215), (5, 6380972), (10, 3190486), (13, 2454220), (20, 1595243), (26, 1227110), (52, 613555), (65, 490844), (130, 245422), (260, 122711), (277, 115180), (443, 72020), (554, 57590), (886, 36010), (1108, 28795), (1385, 23036), (1772, 18005), (2215, 14404), (2770, 11518), (3601, 8860), (4430, 7202), (5540, 5759)]