25612880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:576

約数の個数: 80

約数和(自身を含む): 64884240

約数和(自身を除く): 39271360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 68, 74, 80, 85, 136, 148, 170, 185, 272, 296, 340, 370, 509, 592, 629, 680, 740, 1018, 1258, 1360, 1480, 2036, 2516, 2545, 2960, 3145, 4072, 5032, 5090, 6290, 8144, 8653, 10064, 10180, 12580, 17306, 18833, 20360, 25160, 34612, 37666, 40720, 43265, 50320, 69224, 75332, 86530, 94165, 138448, 150664, 173060, 188330, 301328, 320161, 346120, 376660, 640322, 692240, 753320, 1280644, 1506640, 1600805, 2561288, 3201610, 5122576, 6403220, 12806440, 25612880]

約数ペア:

[(1, 25612880), (2, 12806440), (4, 6403220), (5, 5122576), (8, 3201610), (10, 2561288), (16, 1600805), (17, 1506640), (20, 1280644), (34, 753320), (37, 692240), (40, 640322), (68, 376660), (74, 346120), (80, 320161), (85, 301328), (136, 188330), (148, 173060), (170, 150664), (185, 138448), (272, 94165), (296, 86530), (340, 75332), (370, 69224), (509, 50320), (592, 43265), (629, 40720), (680, 37666), (740, 34612), (1018, 25160), (1258, 20360), (1360, 18833), (1480, 17306), (2036, 12580), (2516, 10180), (2545, 10064), (2960, 8653), (3145, 8144), (4072, 6290), (5032, 5090)]