40241440

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1543}}^1$

素因数の和:1721

約数の個数: 48

約数和(自身を含む): 95715648

約数和(自身を除く): 55474208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1543, 1630, 2608, 3086, 3260, 5216, 6172, 6520, 7715, 12344, 13040, 15430, 24688, 26080, 30860, 49376, 61720, 123440, 246880, 251509, 503018, 1006036, 1257545, 2012072, 2515090, 4024144, 5030180, 8048288, 10060360, 20120720, 40241440]

約数ペア:

[(1, 40241440), (2, 20120720), (4, 10060360), (5, 8048288), (8, 5030180), (10, 4024144), (16, 2515090), (20, 2012072), (32, 1257545), (40, 1006036), (80, 503018), (160, 251509), (163, 246880), (326, 123440), (652, 61720), (815, 49376), (1304, 30860), (1543, 26080), (1630, 24688), (2608, 15430), (3086, 13040), (3260, 12344), (5216, 7715), (6172, 6520)]