164967140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{5821}}^1$

素因数の和:5952

約数の個数: 48

約数和(自身を含む): 376566960

約数和(自身を除く): 211599820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 5821, 7085, 11642, 14170, 23284, 28340, 29105, 58210, 75673, 116420, 151346, 302692, 378365, 634489, 756730, 1268978, 1513460, 2537956, 3172445, 6344890, 8248357, 12689780, 16496714, 32993428, 41241785, 82483570, 164967140]

約数ペア:

[(1, 164967140), (2, 82483570), (4, 41241785), (5, 32993428), (10, 16496714), (13, 12689780), (20, 8248357), (26, 6344890), (52, 3172445), (65, 2537956), (109, 1513460), (130, 1268978), (218, 756730), (260, 634489), (436, 378365), (545, 302692), (1090, 151346), (1417, 116420), (2180, 75673), (2834, 58210), (5668, 29105), (5821, 28340), (7085, 23284), (11642, 14170)]