19843040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2531}}^1$

素因数の和:2560

約数の個数: 72

約数和(自身を含む): 54554472

約数和(自身を除く): 34711432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2531, 3920, 5062, 7840, 10124, 12655, 17717, 20248, 25310, 35434, 40496, 50620, 70868, 80992, 88585, 101240, 124019, 141736, 177170, 202480, 248038, 283472, 354340, 404960, 496076, 566944, 620095, 708680, 992152, 1240190, 1417360, 1984304, 2480380, 2834720, 3968608, 4960760, 9921520, 19843040]

約数ペア:

[(1, 19843040), (2, 9921520), (4, 4960760), (5, 3968608), (7, 2834720), (8, 2480380), (10, 1984304), (14, 1417360), (16, 1240190), (20, 992152), (28, 708680), (32, 620095), (35, 566944), (40, 496076), (49, 404960), (56, 354340), (70, 283472), (80, 248038), (98, 202480), (112, 177170), (140, 141736), (160, 124019), (196, 101240), (224, 88585), (245, 80992), (280, 70868), (392, 50620), (490, 40496), (560, 35434), (784, 25310), (980, 20248), (1120, 17717), (1568, 12655), (1960, 10124), (2531, 7840), (3920, 5062)]