51473020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1361}}^1$

素因数の和:1462

約数の個数: 48

約数和(自身を含む): 113492736

約数和(自身を除く): 62019716

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1361, 1891, 2722, 3782, 5444, 6805, 7564, 9455, 13610, 18910, 27220, 37820, 42191, 83021, 84382, 166042, 168764, 210955, 332084, 415105, 421910, 830210, 843820, 1660420, 2573651, 5147302, 10294604, 12868255, 25736510, 51473020]

約数ペア:

[(1, 51473020), (2, 25736510), (4, 12868255), (5, 10294604), (10, 5147302), (20, 2573651), (31, 1660420), (61, 843820), (62, 830210), (122, 421910), (124, 415105), (155, 332084), (244, 210955), (305, 168764), (310, 166042), (610, 84382), (620, 83021), (1220, 42191), (1361, 37820), (1891, 27220), (2722, 18910), (3782, 13610), (5444, 9455), (6805, 7564)]