13895440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 35997696

約数和(自身を除く): 22102256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 431, 496, 520, 620, 806, 862, 1040, 1240, 1612, 1724, 2015, 2155, 2480, 3224, 3448, 4030, 4310, 5603, 6448, 6896, 8060, 8620, 11206, 13361, 16120, 17240, 22412, 26722, 28015, 32240, 34480, 44824, 53444, 56030, 66805, 89648, 106888, 112060, 133610, 173693, 213776, 224120, 267220, 347386, 448240, 534440, 694772, 868465, 1068880, 1389544, 1736930, 2779088, 3473860, 6947720, 13895440]

約数ペア:

[(1, 13895440), (2, 6947720), (4, 3473860), (5, 2779088), (8, 1736930), (10, 1389544), (13, 1068880), (16, 868465), (20, 694772), (26, 534440), (31, 448240), (40, 347386), (52, 267220), (62, 224120), (65, 213776), (80, 173693), (104, 133610), (124, 112060), (130, 106888), (155, 89648), (208, 66805), (248, 56030), (260, 53444), (310, 44824), (403, 34480), (431, 32240), (496, 28015), (520, 26722), (620, 22412), (806, 17240), (862, 16120), (1040, 13361), (1240, 11206), (1612, 8620), (1724, 8060), (2015, 6896), (2155, 6448), (2480, 5603), (3224, 4310), (3448, 4030)]