28020800

素因数分解:

$2^6\times 5^2\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:316

約数の個数: 84

約数和(自身を含む): 70110096

約数和(自身を除く): 42089296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 83, 100, 160, 166, 200, 211, 320, 332, 400, 415, 422, 664, 800, 830, 844, 1055, 1328, 1600, 1660, 1688, 2075, 2110, 2656, 3320, 3376, 4150, 4220, 5275, 5312, 6640, 6752, 8300, 8440, 10550, 13280, 13504, 16600, 16880, 17513, 21100, 26560, 33200, 33760, 35026, 42200, 66400, 67520, 70052, 84400, 87565, 132800, 140104, 168800, 175130, 280208, 337600, 350260, 437825, 560416, 700520, 875650, 1120832, 1401040, 1751300, 2802080, 3502600, 5604160, 7005200, 14010400, 28020800]

約数ペア:

[(1, 28020800), (2, 14010400), (4, 7005200), (5, 5604160), (8, 3502600), (10, 2802080), (16, 1751300), (20, 1401040), (25, 1120832), (32, 875650), (40, 700520), (50, 560416), (64, 437825), (80, 350260), (83, 337600), (100, 280208), (160, 175130), (166, 168800), (200, 140104), (211, 132800), (320, 87565), (332, 84400), (400, 70052), (415, 67520), (422, 66400), (664, 42200), (800, 35026), (830, 33760), (844, 33200), (1055, 26560), (1328, 21100), (1600, 17513), (1660, 16880), (1688, 16600), (2075, 13504), (2110, 13280), (2656, 10550), (3320, 8440), (3376, 8300), (4150, 6752), (4220, 6640), (5275, 5312)]