1842640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:787

約数の個数: 40

約数和(自身を含む): 4428288

約数和(自身を除く): 2585648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 743, 1240, 1486, 2480, 2972, 3715, 5944, 7430, 11888, 14860, 23033, 29720, 46066, 59440, 92132, 115165, 184264, 230330, 368528, 460660, 921320, 1842640]

約数ペア:

[(1, 1842640), (2, 921320), (4, 460660), (5, 368528), (8, 230330), (10, 184264), (16, 115165), (20, 92132), (31, 59440), (40, 46066), (62, 29720), (80, 23033), (124, 14860), (155, 11888), (248, 7430), (310, 5944), (496, 3715), (620, 2972), (743, 2480), (1240, 1486)]