31412680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{313}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 76754160

約数和(自身を除く): 45341480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 193, 260, 313, 386, 520, 626, 772, 965, 1252, 1544, 1565, 1930, 2504, 2509, 3130, 3860, 4069, 5018, 6260, 7720, 8138, 10036, 12520, 12545, 16276, 20072, 20345, 25090, 32552, 40690, 50180, 60409, 81380, 100360, 120818, 162760, 241636, 302045, 483272, 604090, 785317, 1208180, 1570634, 2416360, 3141268, 3926585, 6282536, 7853170, 15706340, 31412680]

約数ペア:

[(1, 31412680), (2, 15706340), (4, 7853170), (5, 6282536), (8, 3926585), (10, 3141268), (13, 2416360), (20, 1570634), (26, 1208180), (40, 785317), (52, 604090), (65, 483272), (104, 302045), (130, 241636), (193, 162760), (260, 120818), (313, 100360), (386, 81380), (520, 60409), (626, 50180), (772, 40690), (965, 32552), (1252, 25090), (1544, 20345), (1565, 20072), (1930, 16276), (2504, 12545), (2509, 12520), (3130, 10036), (3860, 8138), (4069, 7720), (5018, 6260)]