64881700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1721}}^1$

素因数の和:1777

約数の個数: 72

約数和(自身を含む): 156943080

約数和(自身を除く): 92061380

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 260, 290, 325, 377, 580, 650, 725, 754, 1300, 1450, 1508, 1721, 1885, 2900, 3442, 3770, 6884, 7540, 8605, 9425, 17210, 18850, 22373, 34420, 37700, 43025, 44746, 49909, 86050, 89492, 99818, 111865, 172100, 199636, 223730, 249545, 447460, 499090, 559325, 648817, 998180, 1118650, 1247725, 1297634, 2237300, 2495450, 2595268, 3244085, 4990900, 6488170, 12976340, 16220425, 32440850, 64881700]

約数ペア:

[(1, 64881700), (2, 32440850), (4, 16220425), (5, 12976340), (10, 6488170), (13, 4990900), (20, 3244085), (25, 2595268), (26, 2495450), (29, 2237300), (50, 1297634), (52, 1247725), (58, 1118650), (65, 998180), (100, 648817), (116, 559325), (130, 499090), (145, 447460), (260, 249545), (290, 223730), (325, 199636), (377, 172100), (580, 111865), (650, 99818), (725, 89492), (754, 86050), (1300, 49909), (1450, 44746), (1508, 43025), (1721, 37700), (1885, 34420), (2900, 22373), (3442, 18850), (3770, 17210), (6884, 9425), (7540, 8605)]