201421840

素因数分解:

$2^4\times 5^1\times {\mathrm{739}}^1\times {\mathrm{3407}}^1$

素因数の和:4159

約数の個数: 40

約数和(自身を含む): 469077120

約数和(自身を除く): 267655280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 739, 1478, 2956, 3407, 3695, 5912, 6814, 7390, 11824, 13628, 14780, 17035, 27256, 29560, 34070, 54512, 59120, 68140, 136280, 272560, 2517773, 5035546, 10071092, 12588865, 20142184, 25177730, 40284368, 50355460, 100710920, 201421840]

約数ペア:

[(1, 201421840), (2, 100710920), (4, 50355460), (5, 40284368), (8, 25177730), (10, 20142184), (16, 12588865), (20, 10071092), (40, 5035546), (80, 2517773), (739, 272560), (1478, 136280), (2956, 68140), (3407, 59120), (3695, 54512), (5912, 34070), (6814, 29560), (7390, 27256), (11824, 17035), (13628, 14780)]