320410064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{25253}}^1$

素因数の和:25335

約数の個数: 40

約数和(自身を含む): 679534632

約数和(自身を除く): 359124568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6344, 12688, 25253, 50506, 101012, 202024, 328289, 404048, 656578, 1313156, 1540433, 2626312, 3080866, 5252624, 6161732, 12323464, 20025629, 24646928, 40051258, 80102516, 160205032, 320410064]

約数ペア:

[(1, 320410064), (2, 160205032), (4, 80102516), (8, 40051258), (13, 24646928), (16, 20025629), (26, 12323464), (52, 6161732), (61, 5252624), (104, 3080866), (122, 2626312), (208, 1540433), (244, 1313156), (488, 656578), (793, 404048), (976, 328289), (1586, 202024), (3172, 101012), (6344, 50506), (12688, 25253)]