25821640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 69672960

約数和(自身を除く): 43851320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 23, 26, 34, 40, 46, 52, 65, 68, 85, 92, 104, 115, 127, 130, 136, 170, 184, 221, 230, 254, 260, 299, 340, 391, 442, 460, 508, 520, 598, 635, 680, 782, 884, 920, 1016, 1105, 1196, 1270, 1495, 1564, 1651, 1768, 1955, 2159, 2210, 2392, 2540, 2921, 2990, 3128, 3302, 3910, 4318, 4420, 5080, 5083, 5842, 5980, 6604, 7820, 8255, 8636, 8840, 10166, 10795, 11684, 11960, 13208, 14605, 15640, 16510, 17272, 20332, 21590, 23368, 25415, 28067, 29210, 33020, 37973, 40664, 43180, 49657, 50830, 56134, 58420, 66040, 75946, 86360, 99314, 101660, 112268, 116840, 140335, 151892, 189865, 198628, 203320, 224536, 248285, 280670, 303784, 379730, 397256, 496570, 561340, 645541, 759460, 993140, 1122680, 1291082, 1518920, 1986280, 2582164, 3227705, 5164328, 6455410, 12910820, 25821640]

約数ペア:

[(1, 25821640), (2, 12910820), (4, 6455410), (5, 5164328), (8, 3227705), (10, 2582164), (13, 1986280), (17, 1518920), (20, 1291082), (23, 1122680), (26, 993140), (34, 759460), (40, 645541), (46, 561340), (52, 496570), (65, 397256), (68, 379730), (85, 303784), (92, 280670), (104, 248285), (115, 224536), (127, 203320), (130, 198628), (136, 189865), (170, 151892), (184, 140335), (221, 116840), (230, 112268), (254, 101660), (260, 99314), (299, 86360), (340, 75946), (391, 66040), (442, 58420), (460, 56134), (508, 50830), (520, 49657), (598, 43180), (635, 40664), (680, 37973), (782, 33020), (884, 29210), (920, 28067), (1016, 25415), (1105, 23368), (1196, 21590), (1270, 20332), (1495, 17272), (1564, 16510), (1651, 15640), (1768, 14605), (1955, 13208), (2159, 11960), (2210, 11684), (2392, 10795), (2540, 10166), (2921, 8840), (2990, 8636), (3128, 8255), (3302, 7820), (3910, 6604), (4318, 5980), (4420, 5842), (5080, 5083)]