40450280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{727}}^1$

素因数の和:858

約数の個数: 64

約数和(自身を含む): 99066240

約数和(自身を除く): 58615960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 260, 428, 520, 535, 727, 856, 1070, 1391, 1454, 2140, 2782, 2908, 3635, 4280, 5564, 5816, 6955, 7270, 9451, 11128, 13910, 14540, 18902, 27820, 29080, 37804, 47255, 55640, 75608, 77789, 94510, 155578, 189020, 311156, 378040, 388945, 622312, 777890, 1011257, 1555780, 2022514, 3111560, 4045028, 5056285, 8090056, 10112570, 20225140, 40450280]

約数ペア:

[(1, 40450280), (2, 20225140), (4, 10112570), (5, 8090056), (8, 5056285), (10, 4045028), (13, 3111560), (20, 2022514), (26, 1555780), (40, 1011257), (52, 777890), (65, 622312), (104, 388945), (107, 378040), (130, 311156), (214, 189020), (260, 155578), (428, 94510), (520, 77789), (535, 75608), (727, 55640), (856, 47255), (1070, 37804), (1391, 29080), (1454, 27820), (2140, 18902), (2782, 14540), (2908, 13910), (3635, 11128), (4280, 9451), (5564, 7270), (5816, 6955)]