25150860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19961}}^1$

素因数の和:19983

約数の個数: 72

約数和(自身を含む): 87194016

約数和(自身を除く): 62043156

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 19961, 39922, 59883, 79844, 99805, 119766, 139727, 179649, 199610, 239532, 279454, 299415, 359298, 399220, 419181, 558908, 598830, 698635, 718596, 838362, 898245, 1197660, 1257543, 1397270, 1676724, 1796490, 2095905, 2515086, 2794540, 3592980, 4191810, 5030172, 6287715, 8383620, 12575430, 25150860]

約数ペア:

[(1, 25150860), (2, 12575430), (3, 8383620), (4, 6287715), (5, 5030172), (6, 4191810), (7, 3592980), (9, 2794540), (10, 2515086), (12, 2095905), (14, 1796490), (15, 1676724), (18, 1397270), (20, 1257543), (21, 1197660), (28, 898245), (30, 838362), (35, 718596), (36, 698635), (42, 598830), (45, 558908), (60, 419181), (63, 399220), (70, 359298), (84, 299415), (90, 279454), (105, 239532), (126, 199610), (140, 179649), (180, 139727), (210, 119766), (252, 99805), (315, 79844), (420, 59883), (630, 39922), (1260, 19961)]