25917680

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 63103104

約数和(自身を除く): 37185424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 61, 80, 94, 113, 122, 188, 226, 235, 244, 305, 376, 452, 470, 488, 565, 610, 752, 904, 940, 976, 1130, 1220, 1808, 1880, 2260, 2440, 2867, 3760, 4520, 4880, 5311, 5734, 6893, 9040, 10622, 11468, 13786, 14335, 21244, 22936, 26555, 27572, 28670, 34465, 42488, 45872, 53110, 55144, 57340, 68930, 84976, 106220, 110288, 114680, 137860, 212440, 229360, 275720, 323971, 424880, 551440, 647942, 1295884, 1619855, 2591768, 3239710, 5183536, 6479420, 12958840, 25917680]

約数ペア:

[(1, 25917680), (2, 12958840), (4, 6479420), (5, 5183536), (8, 3239710), (10, 2591768), (16, 1619855), (20, 1295884), (40, 647942), (47, 551440), (61, 424880), (80, 323971), (94, 275720), (113, 229360), (122, 212440), (188, 137860), (226, 114680), (235, 110288), (244, 106220), (305, 84976), (376, 68930), (452, 57340), (470, 55144), (488, 53110), (565, 45872), (610, 42488), (752, 34465), (904, 28670), (940, 27572), (976, 26555), (1130, 22936), (1220, 21244), (1808, 14335), (1880, 13786), (2260, 11468), (2440, 10622), (2867, 9040), (3760, 6893), (4520, 5734), (4880, 5311)]