23123180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 50337504

約数和(自身を除く): 27214324

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 163, 164, 173, 205, 326, 346, 410, 652, 692, 815, 820, 865, 1630, 1730, 3260, 3460, 6683, 7093, 13366, 14186, 26732, 28199, 28372, 33415, 35465, 56398, 66830, 70930, 112796, 133660, 140995, 141860, 281990, 563980, 1156159, 2312318, 4624636, 5780795, 11561590, 23123180]

約数ペア:

[(1, 23123180), (2, 11561590), (4, 5780795), (5, 4624636), (10, 2312318), (20, 1156159), (41, 563980), (82, 281990), (163, 141860), (164, 140995), (173, 133660), (205, 112796), (326, 70930), (346, 66830), (410, 56398), (652, 35465), (692, 33415), (815, 28372), (820, 28199), (865, 26732), (1630, 14186), (1730, 13366), (3260, 7093), (3460, 6683)]