635702960

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{130267}}^1$

素因数の和:130341

約数の個数: 40

約数和(自身を含む): 1502250576

約数和(自身を除く): 866547616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 130267, 260534, 521068, 651335, 1042136, 1302670, 2084272, 2605340, 5210680, 7946287, 10421360, 15892574, 31785148, 39731435, 63570296, 79462870, 127140592, 158925740, 317851480, 635702960]

約数ペア:

[(1, 635702960), (2, 317851480), (4, 158925740), (5, 127140592), (8, 79462870), (10, 63570296), (16, 39731435), (20, 31785148), (40, 15892574), (61, 10421360), (80, 7946287), (122, 5210680), (244, 2605340), (305, 2084272), (488, 1302670), (610, 1042136), (976, 651335), (1220, 521068), (2440, 260534), (4880, 130267)]