66348680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53507}}^1$

素因数の和:53549

約数の個数: 32

約数和(自身を含む): 154103040

約数和(自身を除く): 87754360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 53507, 107014, 214028, 267535, 428056, 535070, 1070140, 1658717, 2140280, 3317434, 6634868, 8293585, 13269736, 16587170, 33174340, 66348680]

約数ペア:

[(1, 66348680), (2, 33174340), (4, 16587170), (5, 13269736), (8, 8293585), (10, 6634868), (20, 3317434), (31, 2140280), (40, 1658717), (62, 1070140), (124, 535070), (155, 428056), (248, 267535), (310, 214028), (620, 107014), (1240, 53507)]