7250440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4421}}^1$

素因数の和:4473

約数の個数: 32

約数和(自身を含む): 16715160

約数和(自身を除く): 9464720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 4421, 8842, 17684, 22105, 35368, 44210, 88420, 176840, 181261, 362522, 725044, 906305, 1450088, 1812610, 3625220, 7250440]

約数ペア:

[(1, 7250440), (2, 3625220), (4, 1812610), (5, 1450088), (8, 906305), (10, 725044), (20, 362522), (40, 181261), (41, 176840), (82, 88420), (164, 44210), (205, 35368), (328, 22105), (410, 17684), (820, 8842), (1640, 4421)]