5278280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{2693}}^1$

素因数の和:2718

約数の個数: 48

約数和(自身を含む): 13820220

約数和(自身を除く): 8541940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 2693, 5386, 10772, 13465, 18851, 21544, 26930, 37702, 53860, 75404, 94255, 107720, 131957, 150808, 188510, 263914, 377020, 527828, 659785, 754040, 1055656, 1319570, 2639140, 5278280]

約数ペア:

[(1, 5278280), (2, 2639140), (4, 1319570), (5, 1055656), (7, 754040), (8, 659785), (10, 527828), (14, 377020), (20, 263914), (28, 188510), (35, 150808), (40, 131957), (49, 107720), (56, 94255), (70, 75404), (98, 53860), (140, 37702), (196, 26930), (245, 21544), (280, 18851), (392, 13465), (490, 10772), (980, 5386), (1960, 2693)]