426440720

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{64223}}^1$

素因数の和:64319

約数の個数: 40

約数和(自身を含む): 1003435776

約数和(自身を除く): 576995056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 64223, 128446, 256892, 321115, 513784, 642230, 1027568, 1284460, 2568920, 5137840, 5330509, 10661018, 21322036, 26652545, 42644072, 53305090, 85288144, 106610180, 213220360, 426440720]

約数ペア:

[(1, 426440720), (2, 213220360), (4, 106610180), (5, 85288144), (8, 53305090), (10, 42644072), (16, 26652545), (20, 21322036), (40, 10661018), (80, 5330509), (83, 5137840), (166, 2568920), (332, 1284460), (415, 1027568), (664, 642230), (830, 513784), (1328, 321115), (1660, 256892), (3320, 128446), (6640, 64223)]