61399840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12379}}^1$

素因数の和:12425

約数の個数: 48

約数和(自身を含む): 149748480

約数和(自身を除く): 88348640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 12379, 24758, 49516, 61895, 99032, 123790, 198064, 247580, 383749, 396128, 495160, 767498, 990320, 1534996, 1918745, 1980640, 3069992, 3837490, 6139984, 7674980, 12279968, 15349960, 30699920, 61399840]

約数ペア:

[(1, 61399840), (2, 30699920), (4, 15349960), (5, 12279968), (8, 7674980), (10, 6139984), (16, 3837490), (20, 3069992), (31, 1980640), (32, 1918745), (40, 1534996), (62, 990320), (80, 767498), (124, 495160), (155, 396128), (160, 383749), (248, 247580), (310, 198064), (496, 123790), (620, 99032), (992, 61895), (1240, 49516), (2480, 24758), (4960, 12379)]