66408550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:338

約数の個数: 72

約数和(自身を含む): 138875040

約数和(自身を除く): 72466490

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 130, 145, 169, 271, 290, 325, 338, 377, 542, 650, 725, 754, 845, 1355, 1450, 1690, 1885, 2710, 3523, 3770, 4225, 4901, 6775, 7046, 7859, 8450, 9425, 9802, 13550, 15718, 17615, 18850, 24505, 35230, 39295, 45799, 49010, 78590, 88075, 91598, 102167, 122525, 176150, 196475, 204334, 228995, 245050, 392950, 457990, 510835, 1021670, 1144975, 1328171, 2289950, 2554175, 2656342, 5108350, 6640855, 13281710, 33204275, 66408550]

約数ペア:

[(1, 66408550), (2, 33204275), (5, 13281710), (10, 6640855), (13, 5108350), (25, 2656342), (26, 2554175), (29, 2289950), (50, 1328171), (58, 1144975), (65, 1021670), (130, 510835), (145, 457990), (169, 392950), (271, 245050), (290, 228995), (325, 204334), (338, 196475), (377, 176150), (542, 122525), (650, 102167), (725, 91598), (754, 88075), (845, 78590), (1355, 49010), (1450, 45799), (1690, 39295), (1885, 35230), (2710, 24505), (3523, 18850), (3770, 17615), (4225, 15718), (4901, 13550), (6775, 9802), (7046, 9425), (7859, 8450)]