25381400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 65620800

約数和(自身を除く): 40239400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 83, 88, 100, 110, 139, 166, 200, 220, 275, 278, 332, 415, 440, 550, 556, 664, 695, 830, 913, 1100, 1112, 1390, 1529, 1660, 1826, 2075, 2200, 2780, 3058, 3320, 3475, 3652, 4150, 4565, 5560, 6116, 6950, 7304, 7645, 8300, 9130, 11537, 12232, 13900, 15290, 16600, 18260, 22825, 23074, 27800, 30580, 36520, 38225, 45650, 46148, 57685, 61160, 76450, 91300, 92296, 115370, 126907, 152900, 182600, 230740, 253814, 288425, 305800, 461480, 507628, 576850, 634535, 1015256, 1153700, 1269070, 2307400, 2538140, 3172675, 5076280, 6345350, 12690700, 25381400]

約数ペア:

[(1, 25381400), (2, 12690700), (4, 6345350), (5, 5076280), (8, 3172675), (10, 2538140), (11, 2307400), (20, 1269070), (22, 1153700), (25, 1015256), (40, 634535), (44, 576850), (50, 507628), (55, 461480), (83, 305800), (88, 288425), (100, 253814), (110, 230740), (139, 182600), (166, 152900), (200, 126907), (220, 115370), (275, 92296), (278, 91300), (332, 76450), (415, 61160), (440, 57685), (550, 46148), (556, 45650), (664, 38225), (695, 36520), (830, 30580), (913, 27800), (1100, 23074), (1112, 22825), (1390, 18260), (1529, 16600), (1660, 15290), (1826, 13900), (2075, 12232), (2200, 11537), (2780, 9130), (3058, 8300), (3320, 7645), (3475, 7304), (3652, 6950), (4150, 6116), (4565, 5560)]