103239680

素因数分解:

$2^{12}\times 5^1\times {\mathrm{71}}^2$

素因数の和:171

約数の個数: 78

約数和(自身を含む): 251283498

約数和(自身を除く): 148043818

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 512, 568, 640, 710, 1024, 1136, 1280, 1420, 2048, 2272, 2560, 2840, 4096, 4544, 5041, 5120, 5680, 9088, 10082, 10240, 11360, 18176, 20164, 20480, 22720, 25205, 36352, 40328, 45440, 50410, 72704, 80656, 90880, 100820, 145408, 161312, 181760, 201640, 290816, 322624, 363520, 403280, 645248, 727040, 806560, 1290496, 1454080, 1613120, 2580992, 3226240, 5161984, 6452480, 10323968, 12904960, 20647936, 25809920, 51619840, 103239680]

約数ペア:

[(1, 103239680), (2, 51619840), (4, 25809920), (5, 20647936), (8, 12904960), (10, 10323968), (16, 6452480), (20, 5161984), (32, 3226240), (40, 2580992), (64, 1613120), (71, 1454080), (80, 1290496), (128, 806560), (142, 727040), (160, 645248), (256, 403280), (284, 363520), (320, 322624), (355, 290816), (512, 201640), (568, 181760), (640, 161312), (710, 145408), (1024, 100820), (1136, 90880), (1280, 80656), (1420, 72704), (2048, 50410), (2272, 45440), (2560, 40328), (2840, 36352), (4096, 25205), (4544, 22720), (5041, 20480), (5120, 20164), (5680, 18176), (9088, 11360), (10082, 10240)]