40802050

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 78644520

約数和(自身を除く): 37842470

約数列:

[1, 2, 5, 10, 25, 50, 53, 89, 106, 173, 178, 265, 346, 445, 530, 865, 890, 1325, 1730, 2225, 2650, 4325, 4450, 4717, 8650, 9169, 9434, 15397, 18338, 23585, 30794, 45845, 47170, 76985, 91690, 117925, 153970, 229225, 235850, 384925, 458450, 769850, 816041, 1632082, 4080205, 8160410, 20401025, 40802050]

約数ペア:

[(1, 40802050), (2, 20401025), (5, 8160410), (10, 4080205), (25, 1632082), (50, 816041), (53, 769850), (89, 458450), (106, 384925), (173, 235850), (178, 229225), (265, 153970), (346, 117925), (445, 91690), (530, 76985), (865, 47170), (890, 45845), (1325, 30794), (1730, 23585), (2225, 18338), (2650, 15397), (4325, 9434), (4450, 9169), (4717, 8650)]