71506840

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{2243}}^1$

素因数の和:3051

約数の個数: 32

約数和(自身を含む): 161164080

約数和(自身を除く): 89657240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1594, 2243, 3188, 3985, 4486, 6376, 7970, 8972, 11215, 15940, 17944, 22430, 31880, 44860, 89720, 1787671, 3575342, 7150684, 8938355, 14301368, 17876710, 35753420, 71506840]

約数ペア:

[(1, 71506840), (2, 35753420), (4, 17876710), (5, 14301368), (8, 8938355), (10, 7150684), (20, 3575342), (40, 1787671), (797, 89720), (1594, 44860), (2243, 31880), (3188, 22430), (3985, 17944), (4486, 15940), (6376, 11215), (7970, 8972)]