13040960

素因数分解:

$2^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:591

約数の個数: 56

約数和(自身を含む): 31491936

約数和(自身を除く): 18450976

約数列:

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

約数ペア:

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