28975160

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9923}}^1$

素因数の和:10007

約数の個数: 32

約数和(自身を含む): 66093840

約数和(自身を除く): 37118680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 9923, 19846, 39692, 49615, 79384, 99230, 198460, 396920, 724379, 1448758, 2897516, 3621895, 5795032, 7243790, 14487580, 28975160]

約数ペア:

[(1, 28975160), (2, 14487580), (4, 7243790), (5, 5795032), (8, 3621895), (10, 2897516), (20, 1448758), (40, 724379), (73, 396920), (146, 198460), (292, 99230), (365, 79384), (584, 49615), (730, 39692), (1460, 19846), (2920, 9923)]