39145760

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2749}}^1$

素因数の和:2853

約数の個数: 48

約数和(自身を含む): 93555000

約数和(自身を除く): 54409240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2749, 2848, 3560, 5498, 7120, 10996, 13745, 14240, 21992, 27490, 43984, 54980, 87968, 109960, 219920, 244661, 439840, 489322, 978644, 1223305, 1957288, 2446610, 3914576, 4893220, 7829152, 9786440, 19572880, 39145760]

約数ペア:

[(1, 39145760), (2, 19572880), (4, 9786440), (5, 7829152), (8, 4893220), (10, 3914576), (16, 2446610), (20, 1957288), (32, 1223305), (40, 978644), (80, 489322), (89, 439840), (160, 244661), (178, 219920), (356, 109960), (445, 87968), (712, 54980), (890, 43984), (1424, 27490), (1780, 21992), (2749, 14240), (2848, 13745), (3560, 10996), (5498, 7120)]