209592640

素因数分解:

$2^6\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6359}}^1$

素因数の和:6479

約数の個数: 56

約数和(自身を含む): 504017280

約数和(自身を除く): 294424640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 160, 206, 320, 412, 515, 824, 1030, 1648, 2060, 3296, 4120, 6359, 6592, 8240, 12718, 16480, 25436, 31795, 32960, 50872, 63590, 101744, 127180, 203488, 254360, 406976, 508720, 654977, 1017440, 1309954, 2034880, 2619908, 3274885, 5239816, 6549770, 10479632, 13099540, 20959264, 26199080, 41918528, 52398160, 104796320, 209592640]

約数ペア:

[(1, 209592640), (2, 104796320), (4, 52398160), (5, 41918528), (8, 26199080), (10, 20959264), (16, 13099540), (20, 10479632), (32, 6549770), (40, 5239816), (64, 3274885), (80, 2619908), (103, 2034880), (160, 1309954), (206, 1017440), (320, 654977), (412, 508720), (515, 406976), (824, 254360), (1030, 203488), (1648, 127180), (2060, 101744), (3296, 63590), (4120, 50872), (6359, 32960), (6592, 31795), (8240, 25436), (12718, 16480)]