4030780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 9384480

約数和(自身を除く): 5353700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 419, 481, 740, 838, 962, 1676, 1924, 2095, 2405, 4190, 4810, 5447, 8380, 9620, 10894, 15503, 21788, 27235, 31006, 54470, 62012, 77515, 108940, 155030, 201539, 310060, 403078, 806156, 1007695, 2015390, 4030780]

約数ペア:

[(1, 4030780), (2, 2015390), (4, 1007695), (5, 806156), (10, 403078), (13, 310060), (20, 201539), (26, 155030), (37, 108940), (52, 77515), (65, 62012), (74, 54470), (130, 31006), (148, 27235), (185, 21788), (260, 15503), (370, 10894), (419, 9620), (481, 8380), (740, 5447), (838, 4810), (962, 4190), (1676, 2405), (1924, 2095)]