26656280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 73543680

約数和(自身を除く): 46887400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 83, 124, 140, 148, 155, 166, 185, 217, 248, 259, 280, 296, 310, 332, 370, 415, 434, 518, 581, 620, 664, 740, 830, 868, 1036, 1085, 1147, 1162, 1240, 1295, 1480, 1660, 1736, 2072, 2170, 2294, 2324, 2573, 2590, 2905, 3071, 3320, 4340, 4588, 4648, 5146, 5180, 5735, 5810, 6142, 8029, 8680, 9176, 10292, 10360, 11470, 11620, 12284, 12865, 15355, 16058, 18011, 20584, 21497, 22940, 23240, 24568, 25730, 30710, 32116, 36022, 40145, 42994, 45880, 51460, 61420, 64232, 72044, 80290, 85988, 90055, 95201, 102920, 107485, 122840, 144088, 160580, 171976, 180110, 190402, 214970, 321160, 360220, 380804, 429940, 476005, 666407, 720440, 761608, 859880, 952010, 1332814, 1904020, 2665628, 3332035, 3808040, 5331256, 6664070, 13328140, 26656280]

約数ペア:

[(1, 26656280), (2, 13328140), (4, 6664070), (5, 5331256), (7, 3808040), (8, 3332035), (10, 2665628), (14, 1904020), (20, 1332814), (28, 952010), (31, 859880), (35, 761608), (37, 720440), (40, 666407), (56, 476005), (62, 429940), (70, 380804), (74, 360220), (83, 321160), (124, 214970), (140, 190402), (148, 180110), (155, 171976), (166, 160580), (185, 144088), (217, 122840), (248, 107485), (259, 102920), (280, 95201), (296, 90055), (310, 85988), (332, 80290), (370, 72044), (415, 64232), (434, 61420), (518, 51460), (581, 45880), (620, 42994), (664, 40145), (740, 36022), (830, 32116), (868, 30710), (1036, 25730), (1085, 24568), (1147, 23240), (1162, 22940), (1240, 21497), (1295, 20584), (1480, 18011), (1660, 16058), (1736, 15355), (2072, 12865), (2170, 12284), (2294, 11620), (2324, 11470), (2573, 10360), (2590, 10292), (2905, 9176), (3071, 8680), (3320, 8029), (4340, 6142), (4588, 5810), (4648, 5735), (5146, 5180)]