25426220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 58487184

約数和(自身を除く): 33060964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 83, 85, 106, 166, 170, 212, 265, 289, 332, 340, 415, 530, 578, 830, 901, 1060, 1156, 1411, 1445, 1660, 1802, 2822, 2890, 3604, 4399, 4505, 5644, 5780, 7055, 8798, 9010, 14110, 15317, 17596, 18020, 21995, 23987, 28220, 30634, 43990, 47974, 61268, 74783, 76585, 87980, 95948, 119935, 149566, 153170, 239870, 299132, 306340, 373915, 479740, 747830, 1271311, 1495660, 2542622, 5085244, 6356555, 12713110, 25426220]

約数ペア:

[(1, 25426220), (2, 12713110), (4, 6356555), (5, 5085244), (10, 2542622), (17, 1495660), (20, 1271311), (34, 747830), (53, 479740), (68, 373915), (83, 306340), (85, 299132), (106, 239870), (166, 153170), (170, 149566), (212, 119935), (265, 95948), (289, 87980), (332, 76585), (340, 74783), (415, 61268), (530, 47974), (578, 43990), (830, 30634), (901, 28220), (1060, 23987), (1156, 21995), (1411, 18020), (1445, 17596), (1660, 15317), (1802, 14110), (2822, 9010), (2890, 8798), (3604, 7055), (4399, 5780), (4505, 5644)]