66141280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21757}}^1$

素因数の和:21791

約数の個数: 48

約数和(自身を含む): 164490480

約数和(自身を除く): 98349200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 21757, 43514, 87028, 108785, 174056, 217570, 348112, 413383, 435140, 696224, 826766, 870280, 1653532, 1740560, 2066915, 3307064, 3481120, 4133830, 6614128, 8267660, 13228256, 16535320, 33070640, 66141280]

約数ペア:

[(1, 66141280), (2, 33070640), (4, 16535320), (5, 13228256), (8, 8267660), (10, 6614128), (16, 4133830), (19, 3481120), (20, 3307064), (32, 2066915), (38, 1740560), (40, 1653532), (76, 870280), (80, 826766), (95, 696224), (152, 435140), (160, 413383), (190, 348112), (304, 217570), (380, 174056), (608, 108785), (760, 87028), (1520, 43514), (3040, 21757)]