71059640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 164229120

約数和(自身を除く): 93169480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 131, 142, 191, 262, 284, 355, 382, 524, 568, 655, 710, 764, 955, 1048, 1310, 1420, 1528, 1910, 2620, 2840, 3820, 5240, 7640, 9301, 13561, 18602, 25021, 27122, 37204, 46505, 50042, 54244, 67805, 74408, 93010, 100084, 108488, 125105, 135610, 186020, 200168, 250210, 271220, 372040, 500420, 542440, 1000840, 1776491, 3552982, 7105964, 8882455, 14211928, 17764910, 35529820, 71059640]

約数ペア:

[(1, 71059640), (2, 35529820), (4, 17764910), (5, 14211928), (8, 8882455), (10, 7105964), (20, 3552982), (40, 1776491), (71, 1000840), (131, 542440), (142, 500420), (191, 372040), (262, 271220), (284, 250210), (355, 200168), (382, 186020), (524, 135610), (568, 125105), (655, 108488), (710, 100084), (764, 93010), (955, 74408), (1048, 67805), (1310, 54244), (1420, 50042), (1528, 46505), (1910, 37204), (2620, 27122), (2840, 25021), (3820, 18602), (5240, 13561), (7640, 9301)]