13928440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20483}}^1$

素因数の和:20511

約数の個数: 32

約数和(自身を含む): 33184080

約数和(自身を除く): 19255640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 20483, 40966, 81932, 102415, 163864, 204830, 348211, 409660, 696422, 819320, 1392844, 1741055, 2785688, 3482110, 6964220, 13928440]

約数ペア:

[(1, 13928440), (2, 6964220), (4, 3482110), (5, 2785688), (8, 1741055), (10, 1392844), (17, 819320), (20, 696422), (34, 409660), (40, 348211), (68, 204830), (85, 163864), (136, 102415), (170, 81932), (340, 40966), (680, 20483)]