85388260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137723}}^1$

素因数の和:137763

約数の個数: 24

約数和(自身を含む): 185101056

約数和(自身を除く): 99712796

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 137723, 275446, 550892, 688615, 1377230, 2754460, 4269413, 8538826, 17077652, 21347065, 42694130, 85388260]

約数ペア:

[(1, 85388260), (2, 42694130), (4, 21347065), (5, 17077652), (10, 8538826), (20, 4269413), (31, 2754460), (62, 1377230), (124, 688615), (155, 550892), (310, 275446), (620, 137723)]