25394320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 68174208

約数和(自身を除く): 42779888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 137, 140, 274, 280, 331, 548, 560, 662, 685, 959, 1096, 1324, 1370, 1655, 1918, 2192, 2317, 2648, 2740, 3310, 3836, 4634, 4795, 5296, 5480, 6620, 7672, 9268, 9590, 10960, 11585, 13240, 15344, 18536, 19180, 23170, 26480, 37072, 38360, 45347, 46340, 76720, 90694, 92680, 181388, 185360, 226735, 317429, 362776, 453470, 634858, 725552, 906940, 1269716, 1587145, 1813880, 2539432, 3174290, 3627760, 5078864, 6348580, 12697160, 25394320]

約数ペア:

[(1, 25394320), (2, 12697160), (4, 6348580), (5, 5078864), (7, 3627760), (8, 3174290), (10, 2539432), (14, 1813880), (16, 1587145), (20, 1269716), (28, 906940), (35, 725552), (40, 634858), (56, 453470), (70, 362776), (80, 317429), (112, 226735), (137, 185360), (140, 181388), (274, 92680), (280, 90694), (331, 76720), (548, 46340), (560, 45347), (662, 38360), (685, 37072), (959, 26480), (1096, 23170), (1324, 19180), (1370, 18536), (1655, 15344), (1918, 13240), (2192, 11585), (2317, 10960), (2648, 9590), (2740, 9268), (3310, 7672), (3836, 6620), (4634, 5480), (4795, 5296)]