25077040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18439}}^1$

素因数の和:18469

約数の個数: 40

約数和(自身を含む): 61737120

約数和(自身を除く): 36660080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 18439, 36878, 73756, 92195, 147512, 184390, 295024, 313463, 368780, 626926, 737560, 1253852, 1475120, 1567315, 2507704, 3134630, 5015408, 6269260, 12538520, 25077040]

約数ペア:

[(1, 25077040), (2, 12538520), (4, 6269260), (5, 5015408), (8, 3134630), (10, 2507704), (16, 1567315), (17, 1475120), (20, 1253852), (34, 737560), (40, 626926), (68, 368780), (80, 313463), (85, 295024), (136, 184390), (170, 147512), (272, 92195), (340, 73756), (680, 36878), (1360, 18439)]