389640320

素因数分解:

$2^7\times 5^1\times {\mathrm{601}}^1\times {\mathrm{1013}}^1$

素因数の和:1633

約数の個数: 64

約数和(自身を含む): 933954840

約数和(自身を除く): 544314520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 601, 640, 1013, 1202, 2026, 2404, 3005, 4052, 4808, 5065, 6010, 8104, 9616, 10130, 12020, 16208, 19232, 20260, 24040, 32416, 38464, 40520, 48080, 64832, 76928, 81040, 96160, 129664, 162080, 192320, 324160, 384640, 608813, 648320, 1217626, 2435252, 3044065, 4870504, 6088130, 9741008, 12176260, 19482016, 24352520, 38964032, 48705040, 77928064, 97410080, 194820160, 389640320]

約数ペア:

[(1, 389640320), (2, 194820160), (4, 97410080), (5, 77928064), (8, 48705040), (10, 38964032), (16, 24352520), (20, 19482016), (32, 12176260), (40, 9741008), (64, 6088130), (80, 4870504), (128, 3044065), (160, 2435252), (320, 1217626), (601, 648320), (640, 608813), (1013, 384640), (1202, 324160), (2026, 192320), (2404, 162080), (3005, 129664), (4052, 96160), (4808, 81040), (5065, 76928), (6010, 64832), (8104, 48080), (9616, 40520), (10130, 38464), (12020, 32416), (16208, 24040), (19232, 20260)]