264550480

素因数分解:

$2^4\times 5^1\times {\mathrm{829}}^1\times {\mathrm{3989}}^1$

素因数の和:4831

約数の個数: 40

約数和(自身を含む): 615976200

約数和(自身を除く): 351425720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 829, 1658, 3316, 3989, 4145, 6632, 7978, 8290, 13264, 15956, 16580, 19945, 31912, 33160, 39890, 63824, 66320, 79780, 159560, 319120, 3306881, 6613762, 13227524, 16534405, 26455048, 33068810, 52910096, 66137620, 132275240, 264550480]

約数ペア:

[(1, 264550480), (2, 132275240), (4, 66137620), (5, 52910096), (8, 33068810), (10, 26455048), (16, 16534405), (20, 13227524), (40, 6613762), (80, 3306881), (829, 319120), (1658, 159560), (3316, 79780), (3989, 66320), (4145, 63824), (6632, 39890), (7978, 33160), (8290, 31912), (13264, 19945), (15956, 16580)]