52009820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 112492800

約数和(自身を除く): 60482980

約数列:

[1, 2, 4, 5, 10, 20, 61, 89, 122, 178, 244, 305, 356, 445, 479, 610, 890, 958, 1220, 1780, 1916, 2395, 4790, 5429, 9580, 10858, 21716, 27145, 29219, 42631, 54290, 58438, 85262, 108580, 116876, 146095, 170524, 213155, 292190, 426310, 584380, 852620, 2600491, 5200982, 10401964, 13002455, 26004910, 52009820]

約数ペア:

[(1, 52009820), (2, 26004910), (4, 13002455), (5, 10401964), (10, 5200982), (20, 2600491), (61, 852620), (89, 584380), (122, 426310), (178, 292190), (244, 213155), (305, 170524), (356, 146095), (445, 116876), (479, 108580), (610, 85262), (890, 58438), (958, 54290), (1220, 42631), (1780, 29219), (1916, 27145), (2395, 21716), (4790, 10858), (5429, 9580)]