38782640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 98431200

約数和(自身を除く): 59648560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 356, 419, 445, 520, 712, 838, 890, 1040, 1157, 1424, 1676, 1780, 2095, 2314, 3352, 3560, 4190, 4628, 5447, 5785, 6704, 7120, 8380, 9256, 10894, 11570, 16760, 18512, 21788, 23140, 27235, 33520, 37291, 43576, 46280, 54470, 74582, 87152, 92560, 108940, 149164, 186455, 217880, 298328, 372910, 435760, 484783, 596656, 745820, 969566, 1491640, 1939132, 2423915, 2983280, 3878264, 4847830, 7756528, 9695660, 19391320, 38782640]

約数ペア:

[(1, 38782640), (2, 19391320), (4, 9695660), (5, 7756528), (8, 4847830), (10, 3878264), (13, 2983280), (16, 2423915), (20, 1939132), (26, 1491640), (40, 969566), (52, 745820), (65, 596656), (80, 484783), (89, 435760), (104, 372910), (130, 298328), (178, 217880), (208, 186455), (260, 149164), (356, 108940), (419, 92560), (445, 87152), (520, 74582), (712, 54470), (838, 46280), (890, 43576), (1040, 37291), (1157, 33520), (1424, 27235), (1676, 23140), (1780, 21788), (2095, 18512), (2314, 16760), (3352, 11570), (3560, 10894), (4190, 9256), (4628, 8380), (5447, 7120), (5785, 6704)]