13641940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 31328640

約数和(自身を除く): 17686700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 739, 923, 1420, 1478, 1846, 2956, 3692, 3695, 4615, 7390, 9230, 9607, 14780, 18460, 19214, 38428, 48035, 52469, 96070, 104938, 192140, 209876, 262345, 524690, 682097, 1049380, 1364194, 2728388, 3410485, 6820970, 13641940]

約数ペア:

[(1, 13641940), (2, 6820970), (4, 3410485), (5, 2728388), (10, 1364194), (13, 1049380), (20, 682097), (26, 524690), (52, 262345), (65, 209876), (71, 192140), (130, 104938), (142, 96070), (260, 52469), (284, 48035), (355, 38428), (710, 19214), (739, 18460), (923, 14780), (1420, 9607), (1478, 9230), (1846, 7390), (2956, 4615), (3692, 3695)]