65605420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{983}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 142829568

約数和(自身を除く): 77224148

約数列:

[1, 2, 4, 5, 10, 20, 47, 71, 94, 142, 188, 235, 284, 355, 470, 710, 940, 983, 1420, 1966, 3337, 3932, 4915, 6674, 9830, 13348, 16685, 19660, 33370, 46201, 66740, 69793, 92402, 139586, 184804, 231005, 279172, 348965, 462010, 697930, 924020, 1395860, 3280271, 6560542, 13121084, 16401355, 32802710, 65605420]

約数ペア:

[(1, 65605420), (2, 32802710), (4, 16401355), (5, 13121084), (10, 6560542), (20, 3280271), (47, 1395860), (71, 924020), (94, 697930), (142, 462010), (188, 348965), (235, 279172), (284, 231005), (355, 184804), (470, 139586), (710, 92402), (940, 69793), (983, 66740), (1420, 46201), (1966, 33370), (3337, 19660), (3932, 16685), (4915, 13348), (6674, 9830)]