13977280

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1457

約数の個数: 56

約数和(自身を含む): 34381440

約数和(自身を除く): 20404160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1409, 1984, 2480, 2818, 4960, 5636, 7045, 9920, 11272, 14090, 22544, 28180, 43679, 45088, 56360, 87358, 90176, 112720, 174716, 218395, 225440, 349432, 436790, 450880, 698864, 873580, 1397728, 1747160, 2795456, 3494320, 6988640, 13977280]

約数ペア:

[(1, 13977280), (2, 6988640), (4, 3494320), (5, 2795456), (8, 1747160), (10, 1397728), (16, 873580), (20, 698864), (31, 450880), (32, 436790), (40, 349432), (62, 225440), (64, 218395), (80, 174716), (124, 112720), (155, 90176), (160, 87358), (248, 56360), (310, 45088), (320, 43679), (496, 28180), (620, 22544), (992, 14090), (1240, 11272), (1409, 9920), (1984, 7045), (2480, 5636), (2818, 4960)]