31323760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30119}}^1$

素因数の和:30145

約数の個数: 40

約数和(自身を含む): 78432480

約数和(自身を除く): 47108720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 30119, 60238, 120476, 150595, 240952, 301190, 391547, 481904, 602380, 783094, 1204760, 1566188, 1957735, 2409520, 3132376, 3915470, 6264752, 7830940, 15661880, 31323760]

約数ペア:

[(1, 31323760), (2, 15661880), (4, 7830940), (5, 6264752), (8, 3915470), (10, 3132376), (13, 2409520), (16, 1957735), (20, 1566188), (26, 1204760), (40, 783094), (52, 602380), (65, 481904), (80, 391547), (104, 301190), (130, 240952), (208, 150595), (260, 120476), (520, 60238), (1040, 30119)]