13151440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5303}}^1$

素因数の和:5347

約数の個数: 40

約数和(自身を含む): 31569408

約数和(自身を除く): 18417968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 5303, 10606, 21212, 26515, 42424, 53030, 84848, 106060, 164393, 212120, 328786, 424240, 657572, 821965, 1315144, 1643930, 2630288, 3287860, 6575720, 13151440]

約数ペア:

[(1, 13151440), (2, 6575720), (4, 3287860), (5, 2630288), (8, 1643930), (10, 1315144), (16, 821965), (20, 657572), (31, 424240), (40, 328786), (62, 212120), (80, 164393), (124, 106060), (155, 84848), (248, 53030), (310, 42424), (496, 26515), (620, 21212), (1240, 10606), (2480, 5303)]