25213740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^2$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 72630768

約数和(自身を除く): 47417028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 83, 122, 166, 183, 244, 249, 305, 332, 366, 415, 498, 610, 732, 830, 915, 996, 1220, 1245, 1660, 1830, 2490, 3660, 4980, 5063, 6889, 10126, 13778, 15189, 20252, 20667, 25315, 27556, 30378, 34445, 41334, 50630, 60756, 68890, 75945, 82668, 101260, 103335, 137780, 151890, 206670, 303780, 413340, 420229, 840458, 1260687, 1680916, 2101145, 2521374, 4202290, 5042748, 6303435, 8404580, 12606870, 25213740]

約数ペア:

[(1, 25213740), (2, 12606870), (3, 8404580), (4, 6303435), (5, 5042748), (6, 4202290), (10, 2521374), (12, 2101145), (15, 1680916), (20, 1260687), (30, 840458), (60, 420229), (61, 413340), (83, 303780), (122, 206670), (166, 151890), (183, 137780), (244, 103335), (249, 101260), (305, 82668), (332, 75945), (366, 68890), (415, 60756), (498, 50630), (610, 41334), (732, 34445), (830, 30378), (915, 27556), (996, 25315), (1220, 20667), (1245, 20252), (1660, 15189), (1830, 13778), (2490, 10126), (3660, 6889), (4980, 5063)]