61447240

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{11213}}^1$

素因数の和:11361

約数の個数: 32

約数和(自身を含む): 139277880

約数和(自身を除く): 77830640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 11213, 22426, 44852, 56065, 89704, 112130, 224260, 448520, 1536181, 3072362, 6144724, 7680905, 12289448, 15361810, 30723620, 61447240]

約数ペア:

[(1, 61447240), (2, 30723620), (4, 15361810), (5, 12289448), (8, 7680905), (10, 6144724), (20, 3072362), (40, 1536181), (137, 448520), (274, 224260), (548, 112130), (685, 89704), (1096, 56065), (1370, 44852), (2740, 22426), (5480, 11213)]