8115280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{281}}^1$

素因数の和:332

約数の個数: 60

約数和(自身を含む): 19984212

約数和(自身を除く): 11868932

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 281, 304, 361, 380, 562, 722, 760, 1124, 1405, 1444, 1520, 1805, 2248, 2810, 2888, 3610, 4496, 5339, 5620, 5776, 7220, 10678, 11240, 14440, 21356, 22480, 26695, 28880, 42712, 53390, 85424, 101441, 106780, 202882, 213560, 405764, 427120, 507205, 811528, 1014410, 1623056, 2028820, 4057640, 8115280]

約数ペア:

[(1, 8115280), (2, 4057640), (4, 2028820), (5, 1623056), (8, 1014410), (10, 811528), (16, 507205), (19, 427120), (20, 405764), (38, 213560), (40, 202882), (76, 106780), (80, 101441), (95, 85424), (152, 53390), (190, 42712), (281, 28880), (304, 26695), (361, 22480), (380, 21356), (562, 14440), (722, 11240), (760, 10678), (1124, 7220), (1405, 5776), (1444, 5620), (1520, 5339), (1805, 4496), (2248, 3610), (2810, 2888)]