28698800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5519}}^1$

素因数の和:5550

約数の個数: 60

約数和(自身を含む): 74266080

約数和(自身を除く): 45567280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 5519, 11038, 22076, 27595, 44152, 55190, 71747, 88304, 110380, 137975, 143494, 220760, 275950, 286988, 358735, 441520, 551900, 573976, 717470, 1103800, 1147952, 1434940, 1793675, 2207600, 2869880, 3587350, 5739760, 7174700, 14349400, 28698800]

約数ペア:

[(1, 28698800), (2, 14349400), (4, 7174700), (5, 5739760), (8, 3587350), (10, 2869880), (13, 2207600), (16, 1793675), (20, 1434940), (25, 1147952), (26, 1103800), (40, 717470), (50, 573976), (52, 551900), (65, 441520), (80, 358735), (100, 286988), (104, 275950), (130, 220760), (200, 143494), (208, 137975), (260, 110380), (325, 88304), (400, 71747), (520, 55190), (650, 44152), (1040, 27595), (1300, 22076), (2600, 11038), (5200, 5519)]