13412680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 32140800

約数和(自身を除く): 18728120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 239, 244, 305, 460, 478, 488, 610, 920, 956, 1195, 1220, 1403, 1912, 2390, 2440, 2806, 4780, 5497, 5612, 7015, 9560, 10994, 11224, 14030, 14579, 21988, 27485, 28060, 29158, 43976, 54970, 56120, 58316, 72895, 109940, 116632, 145790, 219880, 291580, 335317, 583160, 670634, 1341268, 1676585, 2682536, 3353170, 6706340, 13412680]

約数ペア:

[(1, 13412680), (2, 6706340), (4, 3353170), (5, 2682536), (8, 1676585), (10, 1341268), (20, 670634), (23, 583160), (40, 335317), (46, 291580), (61, 219880), (92, 145790), (115, 116632), (122, 109940), (184, 72895), (230, 58316), (239, 56120), (244, 54970), (305, 43976), (460, 29158), (478, 28060), (488, 27485), (610, 21988), (920, 14579), (956, 14030), (1195, 11224), (1220, 10994), (1403, 9560), (1912, 7015), (2390, 5612), (2440, 5497), (2806, 4780)]