89808520

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{3407}}^1$

素因数の和:4077

約数の個数: 32

約数和(自身を含む): 202435200

約数和(自身を除く): 112626680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 3295, 3407, 5272, 6590, 6814, 13180, 13628, 17035, 26360, 27256, 34070, 68140, 136280, 2245213, 4490426, 8980852, 11226065, 17961704, 22452130, 44904260, 89808520]

約数ペア:

[(1, 89808520), (2, 44904260), (4, 22452130), (5, 17961704), (8, 11226065), (10, 8980852), (20, 4490426), (40, 2245213), (659, 136280), (1318, 68140), (2636, 34070), (3295, 27256), (3407, 26360), (5272, 17035), (6590, 13628), (6814, 13180)]