1144720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:403

約数の個数: 40

約数和(自身を含む): 2734200

約数和(自身を除く): 1589480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 349, 410, 656, 698, 820, 1396, 1640, 1745, 2792, 3280, 3490, 5584, 6980, 13960, 14309, 27920, 28618, 57236, 71545, 114472, 143090, 228944, 286180, 572360, 1144720]

約数ペア:

[(1, 1144720), (2, 572360), (4, 286180), (5, 228944), (8, 143090), (10, 114472), (16, 71545), (20, 57236), (40, 28618), (41, 27920), (80, 14309), (82, 13960), (164, 6980), (205, 5584), (328, 3490), (349, 3280), (410, 2792), (656, 1745), (698, 1640), (820, 1396)]