28842020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 62995968

約数和(自身を除く): 34153948

約数列:

[1, 2, 4, 5, 10, 20, 47, 61, 94, 122, 188, 235, 244, 305, 470, 503, 610, 940, 1006, 1220, 2012, 2515, 2867, 5030, 5734, 10060, 11468, 14335, 23641, 28670, 30683, 47282, 57340, 61366, 94564, 118205, 122732, 153415, 236410, 306830, 472820, 613660, 1442101, 2884202, 5768404, 7210505, 14421010, 28842020]

約数ペア:

[(1, 28842020), (2, 14421010), (4, 7210505), (5, 5768404), (10, 2884202), (20, 1442101), (47, 613660), (61, 472820), (94, 306830), (122, 236410), (188, 153415), (235, 122732), (244, 118205), (305, 94564), (470, 61366), (503, 57340), (610, 47282), (940, 30683), (1006, 28670), (1220, 23641), (2012, 14335), (2515, 11468), (2867, 10060), (5030, 5734)]