15993440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5261}}^1$

素因数の和:5295

約数の個数: 48

約数和(自身を含む): 39780720

約数和(自身を除く): 23787280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 5261, 10522, 21044, 26305, 42088, 52610, 84176, 99959, 105220, 168352, 199918, 210440, 399836, 420880, 499795, 799672, 841760, 999590, 1599344, 1999180, 3198688, 3998360, 7996720, 15993440]

約数ペア:

[(1, 15993440), (2, 7996720), (4, 3998360), (5, 3198688), (8, 1999180), (10, 1599344), (16, 999590), (19, 841760), (20, 799672), (32, 499795), (38, 420880), (40, 399836), (76, 210440), (80, 199918), (95, 168352), (152, 105220), (160, 99959), (190, 84176), (304, 52610), (380, 42088), (608, 26305), (760, 21044), (1520, 10522), (3040, 5261)]