26306920

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 61430400

約数和(自身を除く): 35123480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 71, 118, 142, 157, 236, 284, 295, 314, 355, 472, 568, 590, 628, 710, 785, 1180, 1256, 1420, 1570, 2360, 2840, 3140, 4189, 6280, 8378, 9263, 11147, 16756, 18526, 20945, 22294, 33512, 37052, 41890, 44588, 46315, 55735, 74104, 83780, 89176, 92630, 111470, 167560, 185260, 222940, 370520, 445880, 657673, 1315346, 2630692, 3288365, 5261384, 6576730, 13153460, 26306920]

約数ペア:

[(1, 26306920), (2, 13153460), (4, 6576730), (5, 5261384), (8, 3288365), (10, 2630692), (20, 1315346), (40, 657673), (59, 445880), (71, 370520), (118, 222940), (142, 185260), (157, 167560), (236, 111470), (284, 92630), (295, 89176), (314, 83780), (355, 74104), (472, 55735), (568, 46315), (590, 44588), (628, 41890), (710, 37052), (785, 33512), (1180, 22294), (1256, 20945), (1420, 18526), (1570, 16756), (2360, 11147), (2840, 9263), (3140, 8378), (4189, 6280)]