1339609840

素因数分解:

$2^4\times 5^1\times {\mathrm{1867}}^1\times {\mathrm{8969}}^1$

素因数の和:10849

約数の個数: 40

約数和(自身を含む): 3116608560

約数和(自身を除く): 1776998720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1867, 3734, 7468, 8969, 9335, 14936, 17938, 18670, 29872, 35876, 37340, 44845, 71752, 74680, 89690, 143504, 149360, 179380, 358760, 717520, 16745123, 33490246, 66980492, 83725615, 133960984, 167451230, 267921968, 334902460, 669804920, 1339609840]

約数ペア:

[(1, 1339609840), (2, 669804920), (4, 334902460), (5, 267921968), (8, 167451230), (10, 133960984), (16, 83725615), (20, 66980492), (40, 33490246), (80, 16745123), (1867, 717520), (3734, 358760), (7468, 179380), (8969, 149360), (9335, 143504), (14936, 89690), (17938, 74680), (18670, 71752), (29872, 44845), (35876, 37340)]