264215920

素因数分解:

$2^4\times 5^1\times {\mathrm{823}}^1\times {\mathrm{4013}}^1$

素因数の和:4849

約数の個数: 40

約数和(自身を含む): 615201696

約数和(自身を除く): 350985776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 823, 1646, 3292, 4013, 4115, 6584, 8026, 8230, 13168, 16052, 16460, 20065, 32104, 32920, 40130, 64208, 65840, 80260, 160520, 321040, 3302699, 6605398, 13210796, 16513495, 26421592, 33026990, 52843184, 66053980, 132107960, 264215920]

約数ペア:

[(1, 264215920), (2, 132107960), (4, 66053980), (5, 52843184), (8, 33026990), (10, 26421592), (16, 16513495), (20, 13210796), (40, 6605398), (80, 3302699), (823, 321040), (1646, 160520), (3292, 80260), (4013, 65840), (4115, 64208), (6584, 40130), (8026, 32920), (8230, 32104), (13168, 20065), (16052, 16460)]