25213040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18539}}^1$

素因数の和:18569

約数の個数: 40

約数和(自身を含む): 62071920

約数和(自身を除く): 36858880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 18539, 37078, 74156, 92695, 148312, 185390, 296624, 315163, 370780, 630326, 741560, 1260652, 1483120, 1575815, 2521304, 3151630, 5042608, 6303260, 12606520, 25213040]

約数ペア:

[(1, 25213040), (2, 12606520), (4, 6303260), (5, 5042608), (8, 3151630), (10, 2521304), (16, 1575815), (17, 1483120), (20, 1260652), (34, 741560), (40, 630326), (68, 370780), (80, 315163), (85, 296624), (136, 185390), (170, 148312), (272, 92695), (340, 74156), (680, 37078), (1360, 18539)]