79781620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{823}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 173593728

約数和(自身を除く): 93812108

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 131, 148, 185, 262, 370, 524, 655, 740, 823, 1310, 1646, 2620, 3292, 4115, 4847, 8230, 9694, 16460, 19388, 24235, 30451, 48470, 60902, 96940, 107813, 121804, 152255, 215626, 304510, 431252, 539065, 609020, 1078130, 2156260, 3989081, 7978162, 15956324, 19945405, 39890810, 79781620]

約数ペア:

[(1, 79781620), (2, 39890810), (4, 19945405), (5, 15956324), (10, 7978162), (20, 3989081), (37, 2156260), (74, 1078130), (131, 609020), (148, 539065), (185, 431252), (262, 304510), (370, 215626), (524, 152255), (655, 121804), (740, 107813), (823, 96940), (1310, 60902), (1646, 48470), (2620, 30451), (3292, 24235), (4115, 19388), (4847, 16460), (8230, 9694)]