40215864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{821}}^1$

素因数の和:1000

約数の個数: 64

約数和(自身を含む): 109095840

約数和(自身を除く): 68879976

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 157, 312, 314, 471, 628, 821, 942, 1256, 1642, 1884, 2041, 2463, 3284, 3768, 4082, 4926, 6123, 6568, 8164, 9852, 10673, 12246, 16328, 19704, 21346, 24492, 32019, 42692, 48984, 64038, 85384, 128076, 128897, 256152, 257794, 386691, 515588, 773382, 1031176, 1546764, 1675661, 3093528, 3351322, 5026983, 6702644, 10053966, 13405288, 20107932, 40215864]

約数ペア:

[(1, 40215864), (2, 20107932), (3, 13405288), (4, 10053966), (6, 6702644), (8, 5026983), (12, 3351322), (13, 3093528), (24, 1675661), (26, 1546764), (39, 1031176), (52, 773382), (78, 515588), (104, 386691), (156, 257794), (157, 256152), (312, 128897), (314, 128076), (471, 85384), (628, 64038), (821, 48984), (942, 42692), (1256, 32019), (1642, 24492), (1884, 21346), (2041, 19704), (2463, 16328), (3284, 12246), (3768, 10673), (4082, 9852), (4926, 8164), (6123, 6568)]