85551280

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 207022464

約数和(自身を除く): 121471184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 61, 80, 94, 122, 188, 235, 244, 305, 373, 376, 470, 488, 610, 746, 752, 940, 976, 1220, 1492, 1865, 1880, 2440, 2867, 2984, 3730, 3760, 4880, 5734, 5968, 7460, 11468, 14335, 14920, 17531, 22753, 22936, 28670, 29840, 35062, 45506, 45872, 57340, 70124, 87655, 91012, 113765, 114680, 140248, 175310, 182024, 227530, 229360, 280496, 350620, 364048, 455060, 701240, 910120, 1069391, 1402480, 1820240, 2138782, 4277564, 5346955, 8555128, 10693910, 17110256, 21387820, 42775640, 85551280]

約数ペア:

[(1, 85551280), (2, 42775640), (4, 21387820), (5, 17110256), (8, 10693910), (10, 8555128), (16, 5346955), (20, 4277564), (40, 2138782), (47, 1820240), (61, 1402480), (80, 1069391), (94, 910120), (122, 701240), (188, 455060), (235, 364048), (244, 350620), (305, 280496), (373, 229360), (376, 227530), (470, 182024), (488, 175310), (610, 140248), (746, 114680), (752, 113765), (940, 91012), (976, 87655), (1220, 70124), (1492, 57340), (1865, 45872), (1880, 45506), (2440, 35062), (2867, 29840), (2984, 28670), (3730, 22936), (3760, 22753), (4880, 17531), (5734, 14920), (5968, 14335), (7460, 11468)]