66797980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{145213}}^1$

素因数の和:145245

約数の個数: 24

約数和(自身を含む): 146375712

約数和(自身を除く): 79577732

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 145213, 290426, 580852, 726065, 1452130, 2904260, 3339899, 6679798, 13359596, 16699495, 33398990, 66797980]

約数ペア:

[(1, 66797980), (2, 33398990), (4, 16699495), (5, 13359596), (10, 6679798), (20, 3339899), (23, 2904260), (46, 1452130), (92, 726065), (115, 580852), (230, 290426), (460, 145213)]