22247840

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{659}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 52889760

約数和(自身を除く): 30641920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 422, 659, 844, 1055, 1318, 1688, 2110, 2636, 3295, 3376, 4220, 5272, 6590, 6752, 8440, 10544, 13180, 16880, 21088, 26360, 33760, 52720, 105440, 139049, 278098, 556196, 695245, 1112392, 1390490, 2224784, 2780980, 4449568, 5561960, 11123920, 22247840]

約数ペア:

[(1, 22247840), (2, 11123920), (4, 5561960), (5, 4449568), (8, 2780980), (10, 2224784), (16, 1390490), (20, 1112392), (32, 695245), (40, 556196), (80, 278098), (160, 139049), (211, 105440), (422, 52720), (659, 33760), (844, 26360), (1055, 21088), (1318, 16880), (1688, 13180), (2110, 10544), (2636, 8440), (3295, 6752), (3376, 6590), (4220, 5272)]