5290400

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:426

約数の個数: 72

約数和(自身を含む): 13710060

約数和(自身を除く): 8419660

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 136, 160, 170, 200, 272, 340, 389, 400, 425, 544, 680, 778, 800, 850, 1360, 1556, 1700, 1945, 2720, 3112, 3400, 3890, 6224, 6613, 6800, 7780, 9725, 12448, 13226, 13600, 15560, 19450, 26452, 31120, 33065, 38900, 52904, 62240, 66130, 77800, 105808, 132260, 155600, 165325, 211616, 264520, 311200, 330650, 529040, 661300, 1058080, 1322600, 2645200, 5290400]

約数ペア:

[(1, 5290400), (2, 2645200), (4, 1322600), (5, 1058080), (8, 661300), (10, 529040), (16, 330650), (17, 311200), (20, 264520), (25, 211616), (32, 165325), (34, 155600), (40, 132260), (50, 105808), (68, 77800), (80, 66130), (85, 62240), (100, 52904), (136, 38900), (160, 33065), (170, 31120), (200, 26452), (272, 19450), (340, 15560), (389, 13600), (400, 13226), (425, 12448), (544, 9725), (680, 7780), (778, 6800), (800, 6613), (850, 6224), (1360, 3890), (1556, 3400), (1700, 3112), (1945, 2720)]