138037840

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{9533}}^1$

素因数の和:9727

約数の個数: 40

約数和(自身を含む): 322744968

約数和(自身を除く): 184707128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 7240, 9533, 14480, 19066, 38132, 47665, 76264, 95330, 152528, 190660, 381320, 762640, 1725473, 3450946, 6901892, 8627365, 13803784, 17254730, 27607568, 34509460, 69018920, 138037840]

約数ペア:

[(1, 138037840), (2, 69018920), (4, 34509460), (5, 27607568), (8, 17254730), (10, 13803784), (16, 8627365), (20, 6901892), (40, 3450946), (80, 1725473), (181, 762640), (362, 381320), (724, 190660), (905, 152528), (1448, 95330), (1810, 76264), (2896, 47665), (3620, 38132), (7240, 19066), (9533, 14480)]