1038186400

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{16427}}^1$

素因数の和:16526

約数の個数: 72

約数和(自身を含む): 2566710720

約数和(自身を除く): 1528524320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 158, 160, 200, 316, 395, 400, 632, 790, 800, 1264, 1580, 1975, 2528, 3160, 3950, 6320, 7900, 12640, 15800, 16427, 31600, 32854, 63200, 65708, 82135, 131416, 164270, 262832, 328540, 410675, 525664, 657080, 821350, 1297733, 1314160, 1642700, 2595466, 2628320, 3285400, 5190932, 6488665, 6570800, 10381864, 12977330, 13141600, 20763728, 25954660, 32443325, 41527456, 51909320, 64886650, 103818640, 129773300, 207637280, 259546600, 519093200, 1038186400]

約数ペア:

[(1, 1038186400), (2, 519093200), (4, 259546600), (5, 207637280), (8, 129773300), (10, 103818640), (16, 64886650), (20, 51909320), (25, 41527456), (32, 32443325), (40, 25954660), (50, 20763728), (79, 13141600), (80, 12977330), (100, 10381864), (158, 6570800), (160, 6488665), (200, 5190932), (316, 3285400), (395, 2628320), (400, 2595466), (632, 1642700), (790, 1314160), (800, 1297733), (1264, 821350), (1580, 657080), (1975, 525664), (2528, 410675), (3160, 328540), (3950, 262832), (6320, 164270), (7900, 131416), (12640, 82135), (15800, 65708), (16427, 63200), (31600, 32854)]