1608688520

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{148403}}^1$

素因数の和:148685

約数の個数: 32

約数和(自身を含む): 3632929920

約数和(自身を除く): 2024241400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 148403, 296806, 593612, 742015, 1187224, 1484030, 2968060, 5936120, 40217213, 80434426, 160868852, 201086065, 321737704, 402172130, 804344260, 1608688520]

約数ペア:

[(1, 1608688520), (2, 804344260), (4, 402172130), (5, 321737704), (8, 201086065), (10, 160868852), (20, 80434426), (40, 40217213), (271, 5936120), (542, 2968060), (1084, 1484030), (1355, 1187224), (2168, 742015), (2710, 593612), (5420, 296806), (10840, 148403)]