207832960

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2557}}^1$

素因数の和:2703

約数の個数: 64

約数和(自身を含む): 500958720

約数和(自身を除く): 293125760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2540, 2557, 4064, 5080, 5114, 8128, 10160, 10228, 12785, 16256, 20320, 20456, 25570, 40640, 40912, 51140, 81280, 81824, 102280, 163648, 204560, 324739, 327296, 409120, 649478, 818240, 1298956, 1623695, 1636480, 2597912, 3247390, 5195824, 6494780, 10391648, 12989560, 20783296, 25979120, 41566592, 51958240, 103916480, 207832960]

約数ペア:

[(1, 207832960), (2, 103916480), (4, 51958240), (5, 41566592), (8, 25979120), (10, 20783296), (16, 12989560), (20, 10391648), (32, 6494780), (40, 5195824), (64, 3247390), (80, 2597912), (127, 1636480), (128, 1623695), (160, 1298956), (254, 818240), (320, 649478), (508, 409120), (635, 327296), (640, 324739), (1016, 204560), (1270, 163648), (2032, 102280), (2540, 81824), (2557, 81280), (4064, 51140), (5080, 40912), (5114, 40640), (8128, 25570), (10160, 20456), (10228, 20320), (12785, 16256)]