7139920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2879}}^1$

素因数の和:2923

約数の個数: 40

約数和(自身を含む): 17141760

約数和(自身を除く): 10001840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 2879, 5758, 11516, 14395, 23032, 28790, 46064, 57580, 89249, 115160, 178498, 230320, 356996, 446245, 713992, 892490, 1427984, 1784980, 3569960, 7139920]

約数ペア:

[(1, 7139920), (2, 3569960), (4, 1784980), (5, 1427984), (8, 892490), (10, 713992), (16, 446245), (20, 356996), (31, 230320), (40, 178498), (62, 115160), (80, 89249), (124, 57580), (155, 46064), (248, 28790), (310, 23032), (496, 14395), (620, 11516), (1240, 5758), (2480, 2879)]