12556240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 30998016

約数和(自身を除く): 18441776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 83, 122, 124, 155, 166, 244, 248, 305, 310, 332, 415, 488, 496, 610, 620, 664, 830, 976, 1220, 1240, 1328, 1660, 1891, 2440, 2480, 2573, 3320, 3782, 4880, 5063, 5146, 6640, 7564, 9455, 10126, 10292, 12865, 15128, 18910, 20252, 20584, 25315, 25730, 30256, 37820, 40504, 41168, 50630, 51460, 75640, 81008, 101260, 102920, 151280, 156953, 202520, 205840, 313906, 405040, 627812, 784765, 1255624, 1569530, 2511248, 3139060, 6278120, 12556240]

約数ペア:

[(1, 12556240), (2, 6278120), (4, 3139060), (5, 2511248), (8, 1569530), (10, 1255624), (16, 784765), (20, 627812), (31, 405040), (40, 313906), (61, 205840), (62, 202520), (80, 156953), (83, 151280), (122, 102920), (124, 101260), (155, 81008), (166, 75640), (244, 51460), (248, 50630), (305, 41168), (310, 40504), (332, 37820), (415, 30256), (488, 25730), (496, 25315), (610, 20584), (620, 20252), (664, 18910), (830, 15128), (976, 12865), (1220, 10292), (1240, 10126), (1328, 9455), (1660, 7564), (1891, 6640), (2440, 5146), (2480, 5063), (2573, 4880), (3320, 3782)]