72864350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{8623}}^1$

素因数の和:8661

約数の個数: 36

約数和(自身を含む): 146771856

約数和(自身を除く): 73907506

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 4225, 8450, 8623, 17246, 43115, 86230, 112099, 215575, 224198, 431150, 560495, 1120990, 1457287, 2802475, 2914574, 5604950, 7286435, 14572870, 36432175, 72864350]

約数ペア:

[(1, 72864350), (2, 36432175), (5, 14572870), (10, 7286435), (13, 5604950), (25, 2914574), (26, 2802475), (50, 1457287), (65, 1120990), (130, 560495), (169, 431150), (325, 224198), (338, 215575), (650, 112099), (845, 86230), (1690, 43115), (4225, 17246), (8450, 8623)]