172386040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139021}}^1$

素因数の和:139063

約数の個数: 32

約数和(自身を含む): 400383360

約数和(自身を除く): 227997320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 139021, 278042, 556084, 695105, 1112168, 1390210, 2780420, 4309651, 5560840, 8619302, 17238604, 21548255, 34477208, 43096510, 86193020, 172386040]

約数ペア:

[(1, 172386040), (2, 86193020), (4, 43096510), (5, 34477208), (8, 21548255), (10, 17238604), (20, 8619302), (31, 5560840), (40, 4309651), (62, 2780420), (124, 1390210), (155, 1112168), (248, 695105), (310, 556084), (620, 278042), (1240, 139021)]