25694620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 63546336

約数和(自身を除く): 37851716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 157, 167, 196, 245, 314, 334, 490, 628, 668, 785, 835, 980, 1099, 1169, 1570, 1670, 2198, 2338, 3140, 3340, 4396, 4676, 5495, 5845, 7693, 8183, 10990, 11690, 15386, 16366, 21980, 23380, 26219, 30772, 32732, 38465, 40915, 52438, 76930, 81830, 104876, 131095, 153860, 163660, 183533, 262190, 367066, 524380, 734132, 917665, 1284731, 1835330, 2569462, 3670660, 5138924, 6423655, 12847310, 25694620]

約数ペア:

[(1, 25694620), (2, 12847310), (4, 6423655), (5, 5138924), (7, 3670660), (10, 2569462), (14, 1835330), (20, 1284731), (28, 917665), (35, 734132), (49, 524380), (70, 367066), (98, 262190), (140, 183533), (157, 163660), (167, 153860), (196, 131095), (245, 104876), (314, 81830), (334, 76930), (490, 52438), (628, 40915), (668, 38465), (785, 32732), (835, 30772), (980, 26219), (1099, 23380), (1169, 21980), (1570, 16366), (1670, 15386), (2198, 11690), (2338, 10990), (3140, 8183), (3340, 7693), (4396, 5845), (4676, 5495)]