65214620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{491}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 142581600

約数和(自身を除く): 77366980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 229, 290, 458, 491, 580, 916, 982, 1145, 1964, 2290, 2455, 4580, 4910, 6641, 9820, 13282, 14239, 26564, 28478, 33205, 56956, 66410, 71195, 112439, 132820, 142390, 224878, 284780, 449756, 562195, 1124390, 2248780, 3260731, 6521462, 13042924, 16303655, 32607310, 65214620]

約数ペア:

[(1, 65214620), (2, 32607310), (4, 16303655), (5, 13042924), (10, 6521462), (20, 3260731), (29, 2248780), (58, 1124390), (116, 562195), (145, 449756), (229, 284780), (290, 224878), (458, 142390), (491, 132820), (580, 112439), (916, 71195), (982, 66410), (1145, 56956), (1964, 33205), (2290, 28478), (2455, 26564), (4580, 14239), (4910, 13282), (6641, 9820)]