8521532680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{16963}}^1$

素因数の和:17654

約数の個数: 64

約数和(自身を含む): 20214302400

約数和(自身を除く): 11692769720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 661, 760, 1322, 2644, 3305, 5288, 6610, 12559, 13220, 16963, 25118, 26440, 33926, 50236, 62795, 67852, 84815, 100472, 125590, 135704, 169630, 251180, 322297, 339260, 502360, 644594, 678520, 1289188, 1611485, 2578376, 3222970, 6445940, 11212543, 12891880, 22425086, 44850172, 56062715, 89700344, 112125430, 213038317, 224250860, 426076634, 448501720, 852153268, 1065191585, 1704306536, 2130383170, 4260766340, 8521532680]

約数ペア:

[(1, 8521532680), (2, 4260766340), (4, 2130383170), (5, 1704306536), (8, 1065191585), (10, 852153268), (19, 448501720), (20, 426076634), (38, 224250860), (40, 213038317), (76, 112125430), (95, 89700344), (152, 56062715), (190, 44850172), (380, 22425086), (661, 12891880), (760, 11212543), (1322, 6445940), (2644, 3222970), (3305, 2578376), (5288, 1611485), (6610, 1289188), (12559, 678520), (13220, 644594), (16963, 502360), (25118, 339260), (26440, 322297), (33926, 251180), (50236, 169630), (62795, 135704), (67852, 125590), (84815, 100472)]