64214120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 150757200

約数和(自身を除く): 86543080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 197, 232, 281, 290, 394, 562, 580, 788, 985, 1124, 1160, 1405, 1576, 1970, 2248, 2810, 3940, 5620, 5713, 7880, 8149, 11240, 11426, 16298, 22852, 28565, 32596, 40745, 45704, 55357, 57130, 65192, 81490, 110714, 114260, 162980, 221428, 228520, 276785, 325960, 442856, 553570, 1107140, 1605353, 2214280, 3210706, 6421412, 8026765, 12842824, 16053530, 32107060, 64214120]

約数ペア:

[(1, 64214120), (2, 32107060), (4, 16053530), (5, 12842824), (8, 8026765), (10, 6421412), (20, 3210706), (29, 2214280), (40, 1605353), (58, 1107140), (116, 553570), (145, 442856), (197, 325960), (232, 276785), (281, 228520), (290, 221428), (394, 162980), (562, 114260), (580, 110714), (788, 81490), (985, 65192), (1124, 57130), (1160, 55357), (1405, 45704), (1576, 40745), (1970, 32596), (2248, 28565), (2810, 22852), (3940, 16298), (5620, 11426), (5713, 11240), (7880, 8149)]