25616760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16421}}^1$

素因数の和:16448

約数の個数: 64

約数和(自身を含む): 82766880

約数和(自身を除く): 57150120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 16421, 32842, 49263, 65684, 82105, 98526, 131368, 164210, 197052, 213473, 246315, 328420, 394104, 426946, 492630, 640419, 656840, 853892, 985260, 1067365, 1280838, 1707784, 1970520, 2134730, 2561676, 3202095, 4269460, 5123352, 6404190, 8538920, 12808380, 25616760]

約数ペア:

[(1, 25616760), (2, 12808380), (3, 8538920), (4, 6404190), (5, 5123352), (6, 4269460), (8, 3202095), (10, 2561676), (12, 2134730), (13, 1970520), (15, 1707784), (20, 1280838), (24, 1067365), (26, 985260), (30, 853892), (39, 656840), (40, 640419), (52, 492630), (60, 426946), (65, 394104), (78, 328420), (104, 246315), (120, 213473), (130, 197052), (156, 164210), (195, 131368), (260, 98526), (312, 82105), (390, 65684), (520, 49263), (780, 32842), (1560, 16421)]