3199820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 7488768

約数和(自身を除く): 4288948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 397, 403, 620, 794, 806, 1588, 1612, 1985, 2015, 3970, 4030, 5161, 7940, 8060, 10322, 12307, 20644, 24614, 25805, 49228, 51610, 61535, 103220, 123070, 159991, 246140, 319982, 639964, 799955, 1599910, 3199820]

約数ペア:

[(1, 3199820), (2, 1599910), (4, 799955), (5, 639964), (10, 319982), (13, 246140), (20, 159991), (26, 123070), (31, 103220), (52, 61535), (62, 51610), (65, 49228), (124, 25805), (130, 24614), (155, 20644), (260, 12307), (310, 10322), (397, 8060), (403, 7940), (620, 5161), (794, 4030), (806, 3970), (1588, 2015), (1612, 1985)]