1025688520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{545579}}^1$

素因数の和:545637

約数の個数: 32

約数和(自身を含む): 2356905600

約数和(自身を除く): 1331217080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 545579, 1091158, 2182316, 2727895, 4364632, 5455790, 10911580, 21823160, 25642213, 51284426, 102568852, 128211065, 205137704, 256422130, 512844260, 1025688520]

約数ペア:

[(1, 1025688520), (2, 512844260), (4, 256422130), (5, 205137704), (8, 128211065), (10, 102568852), (20, 51284426), (40, 25642213), (47, 21823160), (94, 10911580), (188, 5455790), (235, 4364632), (376, 2727895), (470, 2182316), (940, 1091158), (1880, 545579)]