645440090

素因数分解:

$2^1\times 5^1\times {\mathrm{563}}^1\times {\mathrm{114643}}^1$

素因数の和:115213

約数の個数: 16

約数和(自身を含む): 1163865888

約数和(自身を除く): 518425798

約数列:

[1, 2, 5, 10, 563, 1126, 2815, 5630, 114643, 229286, 573215, 1146430, 64544009, 129088018, 322720045, 645440090]

約数ペア:

[(1, 645440090), (2, 322720045), (5, 129088018), (10, 64544009), (563, 1146430), (1126, 573215), (2815, 229286), (5630, 114643)]