25635820

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:168

約数の個数: 96

約数和(自身を含む): 65116800

約数和(自身を除く): 39480980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 101, 140, 148, 185, 196, 202, 245, 259, 343, 370, 404, 490, 505, 518, 686, 707, 740, 980, 1010, 1036, 1295, 1372, 1414, 1715, 1813, 2020, 2590, 2828, 3430, 3535, 3626, 3737, 4949, 5180, 6860, 7070, 7252, 7474, 9065, 9898, 12691, 14140, 14948, 18130, 18685, 19796, 24745, 25382, 26159, 34643, 36260, 37370, 49490, 50764, 52318, 63455, 69286, 74740, 98980, 104636, 126910, 130795, 138572, 173215, 183113, 253820, 261590, 346430, 366226, 523180, 692860, 732452, 915565, 1281791, 1831130, 2563582, 3662260, 5127164, 6408955, 12817910, 25635820]

約数ペア:

[(1, 25635820), (2, 12817910), (4, 6408955), (5, 5127164), (7, 3662260), (10, 2563582), (14, 1831130), (20, 1281791), (28, 915565), (35, 732452), (37, 692860), (49, 523180), (70, 366226), (74, 346430), (98, 261590), (101, 253820), (140, 183113), (148, 173215), (185, 138572), (196, 130795), (202, 126910), (245, 104636), (259, 98980), (343, 74740), (370, 69286), (404, 63455), (490, 52318), (505, 50764), (518, 49490), (686, 37370), (707, 36260), (740, 34643), (980, 26159), (1010, 25382), (1036, 24745), (1295, 19796), (1372, 18685), (1414, 18130), (1715, 14948), (1813, 14140), (2020, 12691), (2590, 9898), (2828, 9065), (3430, 7474), (3535, 7252), (3626, 7070), (3737, 6860), (4949, 5180)]