26081920

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:593

約数の個数: 64

約数和(自身を含む): 63231840

約数和(自身を除く): 37149920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 320, 332, 415, 491, 640, 664, 830, 982, 1328, 1660, 1964, 2455, 2656, 3320, 3928, 4910, 5312, 6640, 7856, 9820, 10624, 13280, 15712, 19640, 26560, 31424, 39280, 40753, 53120, 62848, 78560, 81506, 157120, 163012, 203765, 314240, 326024, 407530, 652048, 815060, 1304096, 1630120, 2608192, 3260240, 5216384, 6520480, 13040960, 26081920]

約数ペア:

[(1, 26081920), (2, 13040960), (4, 6520480), (5, 5216384), (8, 3260240), (10, 2608192), (16, 1630120), (20, 1304096), (32, 815060), (40, 652048), (64, 407530), (80, 326024), (83, 314240), (128, 203765), (160, 163012), (166, 157120), (320, 81506), (332, 78560), (415, 62848), (491, 53120), (640, 40753), (664, 39280), (830, 31424), (982, 26560), (1328, 19640), (1660, 15712), (1964, 13280), (2455, 10624), (2656, 9820), (3320, 7856), (3928, 6640), (4910, 5312)]