66046900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 149287320

約数和(自身を除く): 83240420

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 89, 100, 164, 178, 181, 205, 356, 362, 410, 445, 724, 820, 890, 905, 1025, 1780, 1810, 2050, 2225, 3620, 3649, 4100, 4450, 4525, 7298, 7421, 8900, 9050, 14596, 14842, 16109, 18100, 18245, 29684, 32218, 36490, 37105, 64436, 72980, 74210, 80545, 91225, 148420, 161090, 182450, 185525, 322180, 364900, 371050, 402725, 660469, 742100, 805450, 1320938, 1610900, 2641876, 3302345, 6604690, 13209380, 16511725, 33023450, 66046900]

約数ペア:

[(1, 66046900), (2, 33023450), (4, 16511725), (5, 13209380), (10, 6604690), (20, 3302345), (25, 2641876), (41, 1610900), (50, 1320938), (82, 805450), (89, 742100), (100, 660469), (164, 402725), (178, 371050), (181, 364900), (205, 322180), (356, 185525), (362, 182450), (410, 161090), (445, 148420), (724, 91225), (820, 80545), (890, 74210), (905, 72980), (1025, 64436), (1780, 37105), (1810, 36490), (2050, 32218), (2225, 29684), (3620, 18245), (3649, 18100), (4100, 16109), (4450, 14842), (4525, 14596), (7298, 9050), (7421, 8900)]