51991300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 117554976

約数和(自身を除く): 65563676

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 107, 113, 172, 214, 215, 226, 428, 430, 452, 535, 565, 860, 1070, 1075, 1130, 2140, 2150, 2260, 2675, 2825, 4300, 4601, 4859, 5350, 5650, 9202, 9718, 10700, 11300, 12091, 18404, 19436, 23005, 24182, 24295, 46010, 48364, 48590, 60455, 92020, 97180, 115025, 120910, 121475, 230050, 241820, 242950, 302275, 460100, 485900, 519913, 604550, 1039826, 1209100, 2079652, 2599565, 5199130, 10398260, 12997825, 25995650, 51991300]

約数ペア:

[(1, 51991300), (2, 25995650), (4, 12997825), (5, 10398260), (10, 5199130), (20, 2599565), (25, 2079652), (43, 1209100), (50, 1039826), (86, 604550), (100, 519913), (107, 485900), (113, 460100), (172, 302275), (214, 242950), (215, 241820), (226, 230050), (428, 121475), (430, 120910), (452, 115025), (535, 97180), (565, 92020), (860, 60455), (1070, 48590), (1075, 48364), (1130, 46010), (2140, 24295), (2150, 24182), (2260, 23005), (2675, 19436), (2825, 18404), (4300, 12091), (4601, 11300), (4859, 10700), (5350, 9718), (5650, 9202)]