444880

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:163

約数の個数: 40

約数和(自身を含む): 1062432

約数和(自身を除く): 617552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 83, 134, 166, 268, 332, 335, 415, 536, 664, 670, 830, 1072, 1328, 1340, 1660, 2680, 3320, 5360, 5561, 6640, 11122, 22244, 27805, 44488, 55610, 88976, 111220, 222440, 444880]

約数ペア:

[(1, 444880), (2, 222440), (4, 111220), (5, 88976), (8, 55610), (10, 44488), (16, 27805), (20, 22244), (40, 11122), (67, 6640), (80, 5561), (83, 5360), (134, 3320), (166, 2680), (268, 1660), (332, 1340), (335, 1328), (415, 1072), (536, 830), (664, 670)]