2493460840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1979}}^1\times {\mathrm{2423}}^1$

素因数の和:4426

約数の個数: 64

約数和(自身を含む): 6047395200

約数和(自身を除く): 3553934360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1979, 2423, 3958, 4846, 7916, 9692, 9895, 12115, 15832, 19384, 19790, 24230, 25727, 31499, 39580, 48460, 51454, 62998, 79160, 96920, 102908, 125996, 128635, 157495, 205816, 251992, 257270, 314990, 514540, 629980, 1029080, 1259960, 4795117, 9590234, 19180468, 23975585, 38360936, 47951170, 62336521, 95902340, 124673042, 191804680, 249346084, 311682605, 498692168, 623365210, 1246730420, 2493460840]

約数ペア:

[(1, 2493460840), (2, 1246730420), (4, 623365210), (5, 498692168), (8, 311682605), (10, 249346084), (13, 191804680), (20, 124673042), (26, 95902340), (40, 62336521), (52, 47951170), (65, 38360936), (104, 23975585), (130, 19180468), (260, 9590234), (520, 4795117), (1979, 1259960), (2423, 1029080), (3958, 629980), (4846, 514540), (7916, 314990), (9692, 257270), (9895, 251992), (12115, 205816), (15832, 157495), (19384, 128635), (19790, 125996), (24230, 102908), (25727, 96920), (31499, 79160), (39580, 62998), (48460, 51454)]