25168880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{773}}^1$

素因数の和:834

約数の個数: 80

約数和(自身を含む): 65647584

約数和(自身を除く): 40478704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 773, 814, 880, 1480, 1546, 1628, 2035, 2960, 3092, 3256, 3865, 4070, 6184, 6512, 7730, 8140, 8503, 12368, 15460, 16280, 17006, 28601, 30920, 32560, 34012, 42515, 57202, 61840, 68024, 85030, 114404, 136048, 143005, 170060, 228808, 286010, 314611, 340120, 457616, 572020, 629222, 680240, 1144040, 1258444, 1573055, 2288080, 2516888, 3146110, 5033776, 6292220, 12584440, 25168880]

約数ペア:

[(1, 25168880), (2, 12584440), (4, 6292220), (5, 5033776), (8, 3146110), (10, 2516888), (11, 2288080), (16, 1573055), (20, 1258444), (22, 1144040), (37, 680240), (40, 629222), (44, 572020), (55, 457616), (74, 340120), (80, 314611), (88, 286010), (110, 228808), (148, 170060), (176, 143005), (185, 136048), (220, 114404), (296, 85030), (370, 68024), (407, 61840), (440, 57202), (592, 42515), (740, 34012), (773, 32560), (814, 30920), (880, 28601), (1480, 17006), (1546, 16280), (1628, 15460), (2035, 12368), (2960, 8503), (3092, 8140), (3256, 7730), (3865, 6512), (4070, 6184)]