12935680

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:217

約数の個数: 80

約数和(自身を含む): 32212224

約数和(自身を除く): 19276544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 163, 248, 256, 310, 320, 326, 496, 512, 620, 640, 652, 815, 992, 1240, 1280, 1304, 1630, 1984, 2480, 2560, 2608, 3260, 3968, 4960, 5053, 5216, 6520, 7936, 9920, 10106, 10432, 13040, 15872, 19840, 20212, 20864, 25265, 26080, 39680, 40424, 41728, 50530, 52160, 79360, 80848, 83456, 101060, 104320, 161696, 202120, 208640, 323392, 404240, 417280, 646784, 808480, 1293568, 1616960, 2587136, 3233920, 6467840, 12935680]

約数ペア:

[(1, 12935680), (2, 6467840), (4, 3233920), (5, 2587136), (8, 1616960), (10, 1293568), (16, 808480), (20, 646784), (31, 417280), (32, 404240), (40, 323392), (62, 208640), (64, 202120), (80, 161696), (124, 104320), (128, 101060), (155, 83456), (160, 80848), (163, 79360), (248, 52160), (256, 50530), (310, 41728), (320, 40424), (326, 39680), (496, 26080), (512, 25265), (620, 20864), (640, 20212), (652, 19840), (815, 15872), (992, 13040), (1240, 10432), (1280, 10106), (1304, 9920), (1630, 7936), (1984, 6520), (2480, 5216), (2560, 5053), (2608, 4960), (3260, 3968)]