128846324240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51954163}}^1$

素因数の和:51954207

約数の個数: 40

約数和(自身を含む): 309231184128

約数和(自身を除く): 180384859888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 51954163, 103908326, 207816652, 259770815, 415633304, 519541630, 831266608, 1039083260, 1610579053, 2078166520, 3221158106, 4156333040, 6442316212, 8052895265, 12884632424, 16105790530, 25769264848, 32211581060, 64423162120, 128846324240]

約数ペア:

[(1, 128846324240), (2, 64423162120), (4, 32211581060), (5, 25769264848), (8, 16105790530), (10, 12884632424), (16, 8052895265), (20, 6442316212), (31, 4156333040), (40, 3221158106), (62, 2078166520), (80, 1610579053), (124, 1039083260), (155, 831266608), (248, 519541630), (310, 415633304), (496, 259770815), (620, 207816652), (1240, 103908326), (2480, 51954163)]