51011120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 124658688

約数和(自身を除く): 73647568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 67, 80, 124, 134, 155, 248, 268, 307, 310, 335, 496, 536, 614, 620, 670, 1072, 1228, 1240, 1340, 1535, 2077, 2456, 2480, 2680, 3070, 4154, 4912, 5360, 6140, 8308, 9517, 10385, 12280, 16616, 19034, 20569, 20770, 24560, 33232, 38068, 41138, 41540, 47585, 76136, 82276, 83080, 95170, 102845, 152272, 164552, 166160, 190340, 205690, 329104, 380680, 411380, 637639, 761360, 822760, 1275278, 1645520, 2550556, 3188195, 5101112, 6376390, 10202224, 12752780, 25505560, 51011120]

約数ペア:

[(1, 51011120), (2, 25505560), (4, 12752780), (5, 10202224), (8, 6376390), (10, 5101112), (16, 3188195), (20, 2550556), (31, 1645520), (40, 1275278), (62, 822760), (67, 761360), (80, 637639), (124, 411380), (134, 380680), (155, 329104), (248, 205690), (268, 190340), (307, 166160), (310, 164552), (335, 152272), (496, 102845), (536, 95170), (614, 83080), (620, 82276), (670, 76136), (1072, 47585), (1228, 41540), (1240, 41138), (1340, 38068), (1535, 33232), (2077, 24560), (2456, 20770), (2480, 20569), (2680, 19034), (3070, 16616), (4154, 12280), (4912, 10385), (5360, 9517), (6140, 8308)]