164048680

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{31307}}^1$

素因数の和:31449

約数の個数: 32

約数和(自身を含む): 371939040

約数和(自身を除く): 207890360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 31307, 62614, 125228, 156535, 250456, 313070, 626140, 1252280, 4101217, 8202434, 16404868, 20506085, 32809736, 41012170, 82024340, 164048680]

約数ペア:

[(1, 164048680), (2, 82024340), (4, 41012170), (5, 32809736), (8, 20506085), (10, 16404868), (20, 8202434), (40, 4101217), (131, 1252280), (262, 626140), (524, 313070), (655, 250456), (1048, 156535), (1310, 125228), (2620, 62614), (5240, 31307)]