25011840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{1861}}^1$

素因数の和:1890

約数の個数: 128

約数和(自身を含む): 91163520

約数和(自身を除く): 66151680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1861, 1920, 2240, 2688, 3360, 3722, 4480, 5583, 6720, 7444, 9305, 11166, 13027, 13440, 14888, 18610, 22332, 26054, 27915, 29776, 37220, 39081, 44664, 52108, 55830, 59552, 65135, 74440, 78162, 89328, 104216, 111660, 119104, 130270, 148880, 156324, 178656, 195405, 208432, 223320, 238208, 260540, 297760, 312648, 357312, 390810, 416864, 446640, 521080, 595520, 625296, 714624, 781620, 833728, 893280, 1042160, 1191040, 1250592, 1563240, 1667456, 1786560, 2084320, 2501184, 3126480, 3573120, 4168640, 5002368, 6252960, 8337280, 12505920, 25011840]

約数ペア:

[(1, 25011840), (2, 12505920), (3, 8337280), (4, 6252960), (5, 5002368), (6, 4168640), (7, 3573120), (8, 3126480), (10, 2501184), (12, 2084320), (14, 1786560), (15, 1667456), (16, 1563240), (20, 1250592), (21, 1191040), (24, 1042160), (28, 893280), (30, 833728), (32, 781620), (35, 714624), (40, 625296), (42, 595520), (48, 521080), (56, 446640), (60, 416864), (64, 390810), (70, 357312), (80, 312648), (84, 297760), (96, 260540), (105, 238208), (112, 223320), (120, 208432), (128, 195405), (140, 178656), (160, 156324), (168, 148880), (192, 130270), (210, 119104), (224, 111660), (240, 104216), (280, 89328), (320, 78162), (336, 74440), (384, 65135), (420, 59552), (448, 55830), (480, 52108), (560, 44664), (640, 39081), (672, 37220), (840, 29776), (896, 27915), (960, 26054), (1120, 22332), (1344, 18610), (1680, 14888), (1861, 13440), (1920, 13027), (2240, 11166), (2688, 9305), (3360, 7444), (3722, 6720), (4480, 5583)]