2731720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2203}}^1$

素因数の和:2245

約数の個数: 32

約数和(自身を含む): 6347520

約数和(自身を除く): 3615800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2203, 4406, 8812, 11015, 17624, 22030, 44060, 68293, 88120, 136586, 273172, 341465, 546344, 682930, 1365860, 2731720]

約数ペア:

[(1, 2731720), (2, 1365860), (4, 682930), (5, 546344), (8, 341465), (10, 273172), (20, 136586), (31, 88120), (40, 68293), (62, 44060), (124, 22030), (155, 17624), (248, 11015), (310, 8812), (620, 4406), (1240, 2203)]