131433580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{90023}}^1$

素因数の和:90105

約数の個数: 24

約数和(自身を含む): 279794592

約数和(自身を除く): 148361012

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 90023, 180046, 360092, 450115, 900230, 1800460, 6571679, 13143358, 26286716, 32858395, 65716790, 131433580]

約数ペア:

[(1, 131433580), (2, 65716790), (4, 32858395), (5, 26286716), (10, 13143358), (20, 6571679), (73, 1800460), (146, 900230), (292, 450115), (365, 360092), (730, 180046), (1460, 90023)]