28218369520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1471}}^1\times {\mathrm{21799}}^1$

素因数の和:23294

約数の個数: 80

約数和(自身を含む): 71623987200

約数和(自身を除く): 43405617680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1471, 2942, 5884, 7355, 11768, 14710, 16181, 21799, 23536, 29420, 32362, 43598, 58840, 64724, 80905, 87196, 108995, 117680, 129448, 161810, 174392, 217990, 239789, 258896, 323620, 348784, 435980, 479578, 647240, 871960, 959156, 1198945, 1294480, 1743920, 1918312, 2397890, 3836624, 4795780, 9591560, 19183120, 32066329, 64132658, 128265316, 160331645, 256530632, 320663290, 352729619, 513061264, 641326580, 705459238, 1282653160, 1410918476, 1763648095, 2565306320, 2821836952, 3527296190, 5643673904, 7054592380, 14109184760, 28218369520]

約数ペア:

[(1, 28218369520), (2, 14109184760), (4, 7054592380), (5, 5643673904), (8, 3527296190), (10, 2821836952), (11, 2565306320), (16, 1763648095), (20, 1410918476), (22, 1282653160), (40, 705459238), (44, 641326580), (55, 513061264), (80, 352729619), (88, 320663290), (110, 256530632), (176, 160331645), (220, 128265316), (440, 64132658), (880, 32066329), (1471, 19183120), (2942, 9591560), (5884, 4795780), (7355, 3836624), (11768, 2397890), (14710, 1918312), (16181, 1743920), (21799, 1294480), (23536, 1198945), (29420, 959156), (32362, 871960), (43598, 647240), (58840, 479578), (64724, 435980), (80905, 348784), (87196, 323620), (108995, 258896), (117680, 239789), (129448, 217990), (161810, 174392)]