26171440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 64210176

約数和(自身を除く): 38038736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 173, 244, 248, 305, 310, 346, 488, 496, 610, 620, 692, 865, 976, 1220, 1240, 1384, 1730, 1891, 2440, 2480, 2768, 3460, 3782, 4880, 5363, 6920, 7564, 9455, 10553, 10726, 13840, 15128, 18910, 21106, 21452, 26815, 30256, 37820, 42212, 42904, 52765, 53630, 75640, 84424, 85808, 105530, 107260, 151280, 168848, 211060, 214520, 327143, 422120, 429040, 654286, 844240, 1308572, 1635715, 2617144, 3271430, 5234288, 6542860, 13085720, 26171440]

約数ペア:

[(1, 26171440), (2, 13085720), (4, 6542860), (5, 5234288), (8, 3271430), (10, 2617144), (16, 1635715), (20, 1308572), (31, 844240), (40, 654286), (61, 429040), (62, 422120), (80, 327143), (122, 214520), (124, 211060), (155, 168848), (173, 151280), (244, 107260), (248, 105530), (305, 85808), (310, 84424), (346, 75640), (488, 53630), (496, 52765), (610, 42904), (620, 42212), (692, 37820), (865, 30256), (976, 26815), (1220, 21452), (1240, 21106), (1384, 18910), (1730, 15128), (1891, 13840), (2440, 10726), (2480, 10553), (2768, 9455), (3460, 7564), (3782, 6920), (4880, 5363)]