25512760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 72737280

約数和(自身を除く): 47224520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 86, 91, 104, 130, 140, 163, 172, 182, 215, 260, 280, 301, 326, 344, 364, 430, 455, 520, 559, 602, 652, 728, 815, 860, 910, 1118, 1141, 1204, 1304, 1505, 1630, 1720, 1820, 2119, 2236, 2282, 2408, 2795, 3010, 3260, 3640, 3913, 4238, 4472, 4564, 5590, 5705, 6020, 6520, 7009, 7826, 8476, 9128, 10595, 11180, 11410, 12040, 14018, 14833, 15652, 16952, 19565, 21190, 22360, 22820, 28036, 29666, 31304, 35045, 39130, 42380, 45640, 49063, 56072, 59332, 70090, 74165, 78260, 84760, 91117, 98126, 118664, 140180, 148330, 156520, 182234, 196252, 245315, 280360, 296660, 364468, 392504, 455585, 490630, 593320, 637819, 728936, 911170, 981260, 1275638, 1822340, 1962520, 2551276, 3189095, 3644680, 5102552, 6378190, 12756380, 25512760]

約数ペア:

[(1, 25512760), (2, 12756380), (4, 6378190), (5, 5102552), (7, 3644680), (8, 3189095), (10, 2551276), (13, 1962520), (14, 1822340), (20, 1275638), (26, 981260), (28, 911170), (35, 728936), (40, 637819), (43, 593320), (52, 490630), (56, 455585), (65, 392504), (70, 364468), (86, 296660), (91, 280360), (104, 245315), (130, 196252), (140, 182234), (163, 156520), (172, 148330), (182, 140180), (215, 118664), (260, 98126), (280, 91117), (301, 84760), (326, 78260), (344, 74165), (364, 70090), (430, 59332), (455, 56072), (520, 49063), (559, 45640), (602, 42380), (652, 39130), (728, 35045), (815, 31304), (860, 29666), (910, 28036), (1118, 22820), (1141, 22360), (1204, 21190), (1304, 19565), (1505, 16952), (1630, 15652), (1720, 14833), (1820, 14018), (2119, 12040), (2236, 11410), (2282, 11180), (2408, 10595), (2795, 9128), (3010, 8476), (3260, 7826), (3640, 7009), (3913, 6520), (4238, 6020), (4472, 5705), (4564, 5590)]