81442930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{7027}}^1$

素因数の和:7114

約数の個数: 32

約数和(自身を含む): 156864960

約数和(自身を除く): 75422030

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 2318, 5795, 7027, 11590, 14054, 35135, 70270, 133513, 267026, 428647, 667565, 857294, 1335130, 2143235, 4286470, 8144293, 16288586, 40721465, 81442930]

約数ペア:

[(1, 81442930), (2, 40721465), (5, 16288586), (10, 8144293), (19, 4286470), (38, 2143235), (61, 1335130), (95, 857294), (122, 667565), (190, 428647), (305, 267026), (610, 133513), (1159, 70270), (2318, 35135), (5795, 14054), (7027, 11590)]