22019960720

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3484171}}^1$

素因数の和:3484263

約数の個数: 40

約数和(自身を含む): 51844479360

約数和(自身を除く): 29824518640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 3484171, 6968342, 13936684, 17420855, 27873368, 34841710, 55746736, 69683420, 139366840, 275249509, 278733680, 550499018, 1100998036, 1376247545, 2201996072, 2752495090, 4403992144, 5504990180, 11009980360, 22019960720]

約数ペア:

[(1, 22019960720), (2, 11009980360), (4, 5504990180), (5, 4403992144), (8, 2752495090), (10, 2201996072), (16, 1376247545), (20, 1100998036), (40, 550499018), (79, 278733680), (80, 275249509), (158, 139366840), (316, 69683420), (395, 55746736), (632, 34841710), (790, 27873368), (1264, 17420855), (1580, 13936684), (3160, 6968342), (6320, 3484171)]