71352080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28771}}^1$

素因数の和:28815

約数の個数: 40

約数和(自身を含む): 171250944

約数和(自身を除く): 99898864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 28771, 57542, 115084, 143855, 230168, 287710, 460336, 575420, 891901, 1150840, 1783802, 2301680, 3567604, 4459505, 7135208, 8919010, 14270416, 17838020, 35676040, 71352080]

約数ペア:

[(1, 71352080), (2, 35676040), (4, 17838020), (5, 14270416), (8, 8919010), (10, 7135208), (16, 4459505), (20, 3567604), (31, 2301680), (40, 1783802), (62, 1150840), (80, 891901), (124, 575420), (155, 460336), (248, 287710), (310, 230168), (496, 143855), (620, 115084), (1240, 57542), (2480, 28771)]