1997630720

素因数分解:

$2^8\times 5^1\times {\mathrm{83}}^1\times {\mathrm{18803}}^1$

素因数の和:18907

約数の個数: 72

約数和(自身を含む): 4842857376

約数和(自身を除く): 2845226656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 256, 320, 332, 415, 640, 664, 830, 1280, 1328, 1660, 2656, 3320, 5312, 6640, 10624, 13280, 18803, 21248, 26560, 37606, 53120, 75212, 94015, 106240, 150424, 188030, 300848, 376060, 601696, 752120, 1203392, 1504240, 1560649, 2406784, 3008480, 3121298, 4813568, 6016960, 6242596, 7803245, 12033920, 12485192, 15606490, 24067840, 24970384, 31212980, 49940768, 62425960, 99881536, 124851920, 199763072, 249703840, 399526144, 499407680, 998815360, 1997630720]

約数ペア:

[(1, 1997630720), (2, 998815360), (4, 499407680), (5, 399526144), (8, 249703840), (10, 199763072), (16, 124851920), (20, 99881536), (32, 62425960), (40, 49940768), (64, 31212980), (80, 24970384), (83, 24067840), (128, 15606490), (160, 12485192), (166, 12033920), (256, 7803245), (320, 6242596), (332, 6016960), (415, 4813568), (640, 3121298), (664, 3008480), (830, 2406784), (1280, 1560649), (1328, 1504240), (1660, 1203392), (2656, 752120), (3320, 601696), (5312, 376060), (6640, 300848), (10624, 188030), (13280, 150424), (18803, 106240), (21248, 94015), (26560, 75212), (37606, 53120)]