520014020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{25073}}^1$

素因数の和:25160

約数の個数: 48

約数和(自身を含む): 1175268528

約数和(自身を除く): 655254508

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 2074, 4148, 5185, 10370, 20740, 25073, 50146, 100292, 125365, 250730, 426241, 501460, 852482, 1529453, 1704964, 2131205, 3058906, 4262410, 6117812, 7647265, 8524820, 15294530, 26000701, 30589060, 52001402, 104002804, 130003505, 260007010, 520014020]

約数ペア:

[(1, 520014020), (2, 260007010), (4, 130003505), (5, 104002804), (10, 52001402), (17, 30589060), (20, 26000701), (34, 15294530), (61, 8524820), (68, 7647265), (85, 6117812), (122, 4262410), (170, 3058906), (244, 2131205), (305, 1704964), (340, 1529453), (610, 852482), (1037, 501460), (1220, 426241), (2074, 250730), (4148, 125365), (5185, 100292), (10370, 50146), (20740, 25073)]