28424820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5323}}^1$

素因数の和:5424

約数の個数: 48

約数和(自身を含む): 80498880

約数和(自身を除く): 52074060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5323, 5340, 10646, 15969, 21292, 26615, 31938, 53230, 63876, 79845, 106460, 159690, 319380, 473747, 947494, 1421241, 1894988, 2368735, 2842482, 4737470, 5684964, 7106205, 9474940, 14212410, 28424820]

約数ペア:

[(1, 28424820), (2, 14212410), (3, 9474940), (4, 7106205), (5, 5684964), (6, 4737470), (10, 2842482), (12, 2368735), (15, 1894988), (20, 1421241), (30, 947494), (60, 473747), (89, 319380), (178, 159690), (267, 106460), (356, 79845), (445, 63876), (534, 53230), (890, 31938), (1068, 26615), (1335, 21292), (1780, 15969), (2670, 10646), (5323, 5340)]