19937600

素因数分解:

$2^6\times 5^2\times {\mathrm{17}}^1\times {\mathrm{733}}^1$

素因数の和:772

約数の個数: 84

約数和(自身を含む): 52015644

約数和(自身を除く): 32078044

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 136, 160, 170, 200, 272, 320, 340, 400, 425, 544, 680, 733, 800, 850, 1088, 1360, 1466, 1600, 1700, 2720, 2932, 3400, 3665, 5440, 5864, 6800, 7330, 11728, 12461, 13600, 14660, 18325, 23456, 24922, 27200, 29320, 36650, 46912, 49844, 58640, 62305, 73300, 99688, 117280, 124610, 146600, 199376, 234560, 249220, 293200, 311525, 398752, 498440, 586400, 623050, 797504, 996880, 1172800, 1246100, 1993760, 2492200, 3987520, 4984400, 9968800, 19937600]

約数ペア:

[(1, 19937600), (2, 9968800), (4, 4984400), (5, 3987520), (8, 2492200), (10, 1993760), (16, 1246100), (17, 1172800), (20, 996880), (25, 797504), (32, 623050), (34, 586400), (40, 498440), (50, 398752), (64, 311525), (68, 293200), (80, 249220), (85, 234560), (100, 199376), (136, 146600), (160, 124610), (170, 117280), (200, 99688), (272, 73300), (320, 62305), (340, 58640), (400, 49844), (425, 46912), (544, 36650), (680, 29320), (733, 27200), (800, 24922), (850, 23456), (1088, 18325), (1360, 14660), (1466, 13600), (1600, 12461), (1700, 11728), (2720, 7330), (2932, 6800), (3400, 5864), (3665, 5440)]