8840120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3623}}^1$

素因数の和:3695

約数の個数: 32

約数和(自身を含む): 20221920

約数和(自身を除く): 11381800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3623, 7246, 14492, 18115, 28984, 36230, 72460, 144920, 221003, 442006, 884012, 1105015, 1768024, 2210030, 4420060, 8840120]

約数ペア:

[(1, 8840120), (2, 4420060), (4, 2210030), (5, 1768024), (8, 1105015), (10, 884012), (20, 442006), (40, 221003), (61, 144920), (122, 72460), (244, 36230), (305, 28984), (488, 18115), (610, 14492), (1220, 7246), (2440, 3623)]