51397120

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1181}}^1$

素因数の和:1221

約数の個数: 80

約数和(自身を含む): 130592088

約数和(自身を除く): 79194968

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1181, 1280, 1360, 2176, 2362, 2560, 2720, 4352, 4724, 5440, 5905, 8704, 9448, 10880, 11810, 18896, 20077, 21760, 23620, 37792, 40154, 43520, 47240, 75584, 80308, 94480, 100385, 151168, 160616, 188960, 200770, 302336, 321232, 377920, 401540, 604672, 642464, 755840, 803080, 1284928, 1511680, 1606160, 2569856, 3023360, 3212320, 5139712, 6424640, 10279424, 12849280, 25698560, 51397120]

約数ペア:

[(1, 51397120), (2, 25698560), (4, 12849280), (5, 10279424), (8, 6424640), (10, 5139712), (16, 3212320), (17, 3023360), (20, 2569856), (32, 1606160), (34, 1511680), (40, 1284928), (64, 803080), (68, 755840), (80, 642464), (85, 604672), (128, 401540), (136, 377920), (160, 321232), (170, 302336), (256, 200770), (272, 188960), (320, 160616), (340, 151168), (512, 100385), (544, 94480), (640, 80308), (680, 75584), (1088, 47240), (1181, 43520), (1280, 40154), (1360, 37792), (2176, 23620), (2362, 21760), (2560, 20077), (2720, 18896), (4352, 11810), (4724, 10880), (5440, 9448), (5905, 8704)]