91247960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{55639}}^1$

素因数の和:55691

約数の個数: 32

約数和(自身を含む): 210319200

約数和(自身を除く): 119071240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 55639, 111278, 222556, 278195, 445112, 556390, 1112780, 2225560, 2281199, 4562398, 9124796, 11405995, 18249592, 22811990, 45623980, 91247960]

約数ペア:

[(1, 91247960), (2, 45623980), (4, 22811990), (5, 18249592), (8, 11405995), (10, 9124796), (20, 4562398), (40, 2281199), (41, 2225560), (82, 1112780), (164, 556390), (205, 445112), (328, 278195), (410, 222556), (820, 111278), (1640, 55639)]