51819070400

素因数分解:

$2^6\times 5^2\times {\mathrm{79}}^1\times {\mathrm{409961}}^1$

素因数の和:410062

約数の個数: 84

約数和(自身を含む): 129121631520

約数和(自身を除く): 77302561120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 158, 160, 200, 316, 320, 395, 400, 632, 790, 800, 1264, 1580, 1600, 1975, 2528, 3160, 3950, 5056, 6320, 7900, 12640, 15800, 25280, 31600, 63200, 126400, 409961, 819922, 1639844, 2049805, 3279688, 4099610, 6559376, 8199220, 10249025, 13118752, 16398440, 20498050, 26237504, 32386919, 32796880, 40996100, 64773838, 65593760, 81992200, 129547676, 131187520, 161934595, 163984400, 259095352, 323869190, 327968800, 518190704, 647738380, 655937600, 809672975, 1036381408, 1295476760, 1619345950, 2072762816, 2590953520, 3238691900, 5181907040, 6477383800, 10363814080, 12954767600, 25909535200, 51819070400]

約数ペア:

[(1, 51819070400), (2, 25909535200), (4, 12954767600), (5, 10363814080), (8, 6477383800), (10, 5181907040), (16, 3238691900), (20, 2590953520), (25, 2072762816), (32, 1619345950), (40, 1295476760), (50, 1036381408), (64, 809672975), (79, 655937600), (80, 647738380), (100, 518190704), (158, 327968800), (160, 323869190), (200, 259095352), (316, 163984400), (320, 161934595), (395, 131187520), (400, 129547676), (632, 81992200), (790, 65593760), (800, 64773838), (1264, 40996100), (1580, 32796880), (1600, 32386919), (1975, 26237504), (2528, 20498050), (3160, 16398440), (3950, 13118752), (5056, 10249025), (6320, 8199220), (7900, 6559376), (12640, 4099610), (15800, 3279688), (25280, 2049805), (31600, 1639844), (63200, 819922), (126400, 409961)]