25107460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 62403264

約数和(自身を除く): 37295804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 131, 140, 148, 185, 259, 262, 370, 518, 524, 655, 740, 917, 1036, 1295, 1310, 1369, 1834, 2590, 2620, 2738, 3668, 4585, 4847, 5180, 5476, 6845, 9170, 9583, 9694, 13690, 18340, 19166, 19388, 24235, 27380, 33929, 38332, 47915, 48470, 67858, 95830, 96940, 135716, 169645, 179339, 191660, 339290, 358678, 678580, 717356, 896695, 1255373, 1793390, 2510746, 3586780, 5021492, 6276865, 12553730, 25107460]

約数ペア:

[(1, 25107460), (2, 12553730), (4, 6276865), (5, 5021492), (7, 3586780), (10, 2510746), (14, 1793390), (20, 1255373), (28, 896695), (35, 717356), (37, 678580), (70, 358678), (74, 339290), (131, 191660), (140, 179339), (148, 169645), (185, 135716), (259, 96940), (262, 95830), (370, 67858), (518, 48470), (524, 47915), (655, 38332), (740, 33929), (917, 27380), (1036, 24235), (1295, 19388), (1310, 19166), (1369, 18340), (1834, 13690), (2590, 9694), (2620, 9583), (2738, 9170), (3668, 6845), (4585, 5476), (4847, 5180)]