25601840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 66424320

約数和(自身を除く): 40822480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 619, 752, 880, 940, 1034, 1238, 1880, 2068, 2476, 2585, 3095, 3760, 4136, 4952, 5170, 6190, 6809, 8272, 9904, 10340, 12380, 13618, 20680, 24760, 27236, 29093, 34045, 41360, 49520, 54472, 58186, 68090, 108944, 116372, 136180, 145465, 232744, 272360, 290930, 320023, 465488, 544720, 581860, 640046, 1163720, 1280092, 1600115, 2327440, 2560184, 3200230, 5120368, 6400460, 12800920, 25601840]

約数ペア:

[(1, 25601840), (2, 12800920), (4, 6400460), (5, 5120368), (8, 3200230), (10, 2560184), (11, 2327440), (16, 1600115), (20, 1280092), (22, 1163720), (40, 640046), (44, 581860), (47, 544720), (55, 465488), (80, 320023), (88, 290930), (94, 272360), (110, 232744), (176, 145465), (188, 136180), (220, 116372), (235, 108944), (376, 68090), (440, 58186), (470, 54472), (517, 49520), (619, 41360), (752, 34045), (880, 29093), (940, 27236), (1034, 24760), (1238, 20680), (1880, 13618), (2068, 12380), (2476, 10340), (2585, 9904), (3095, 8272), (3760, 6809), (4136, 6190), (4952, 5170)]