4891360

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1609}}^1$

素因数の和:1643

約数の個数: 48

約数和(自身を含む): 12171600

約数和(自身を除く): 7280240

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, 1609, 3040, 3218, 6436, 8045, 12872, 16090, 25744, 30571, 32180, 51488, 61142, 64360, 122284, 128720, 152855, 244568, 257440, 305710, 489136, 611420, 978272, 1222840, 2445680, 4891360]

約数ペア:

[(1, 4891360), (2, 2445680), (4, 1222840), (5, 978272), (8, 611420), (10, 489136), (16, 305710), (19, 257440), (20, 244568), (32, 152855), (38, 128720), (40, 122284), (76, 64360), (80, 61142), (95, 51488), (152, 32180), (160, 30571), (190, 25744), (304, 16090), (380, 12872), (608, 8045), (760, 6436), (1520, 3218), (1609, 3040)]