42775640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 100172160

約数和(自身を除く): 57396520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 61, 94, 122, 188, 235, 244, 305, 373, 376, 470, 488, 610, 746, 940, 1220, 1492, 1865, 1880, 2440, 2867, 2984, 3730, 5734, 7460, 11468, 14335, 14920, 17531, 22753, 22936, 28670, 35062, 45506, 57340, 70124, 87655, 91012, 113765, 114680, 140248, 175310, 182024, 227530, 350620, 455060, 701240, 910120, 1069391, 2138782, 4277564, 5346955, 8555128, 10693910, 21387820, 42775640]

約数ペア:

[(1, 42775640), (2, 21387820), (4, 10693910), (5, 8555128), (8, 5346955), (10, 4277564), (20, 2138782), (40, 1069391), (47, 910120), (61, 701240), (94, 455060), (122, 350620), (188, 227530), (235, 182024), (244, 175310), (305, 140248), (373, 114680), (376, 113765), (470, 91012), (488, 87655), (610, 70124), (746, 57340), (940, 45506), (1220, 35062), (1492, 28670), (1865, 22936), (1880, 22753), (2440, 17531), (2867, 14920), (2984, 14335), (3730, 11468), (5734, 7460)]