25248520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{57383}}^1$

素因数の和:57405

約数の個数: 32

約数和(自身を含む): 61974720

約数和(自身を除く): 36726200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 57383, 114766, 229532, 286915, 459064, 573830, 631213, 1147660, 1262426, 2295320, 2524852, 3156065, 5049704, 6312130, 12624260, 25248520]

約数ペア:

[(1, 25248520), (2, 12624260), (4, 6312130), (5, 5049704), (8, 3156065), (10, 2524852), (11, 2295320), (20, 1262426), (22, 1147660), (40, 631213), (44, 573830), (55, 459064), (88, 286915), (110, 229532), (220, 114766), (440, 57383)]