81715400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:675

約数の個数: 96

約数和(自身を含む): 208814760

約数和(自身を除く): 127099360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 53, 65, 100, 104, 106, 130, 200, 212, 260, 265, 325, 424, 520, 530, 593, 650, 689, 1060, 1186, 1300, 1325, 1378, 2120, 2372, 2600, 2650, 2756, 2965, 3445, 4744, 5300, 5512, 5930, 6890, 7709, 10600, 11860, 13780, 14825, 15418, 17225, 23720, 27560, 29650, 30836, 31429, 34450, 38545, 59300, 61672, 62858, 68900, 77090, 118600, 125716, 137800, 154180, 157145, 192725, 251432, 308360, 314290, 385450, 408577, 628580, 770900, 785725, 817154, 1257160, 1541800, 1571450, 1634308, 2042885, 3142900, 3268616, 4085770, 6285800, 8171540, 10214425, 16343080, 20428850, 40857700, 81715400]

約数ペア:

[(1, 81715400), (2, 40857700), (4, 20428850), (5, 16343080), (8, 10214425), (10, 8171540), (13, 6285800), (20, 4085770), (25, 3268616), (26, 3142900), (40, 2042885), (50, 1634308), (52, 1571450), (53, 1541800), (65, 1257160), (100, 817154), (104, 785725), (106, 770900), (130, 628580), (200, 408577), (212, 385450), (260, 314290), (265, 308360), (325, 251432), (424, 192725), (520, 157145), (530, 154180), (593, 137800), (650, 125716), (689, 118600), (1060, 77090), (1186, 68900), (1300, 62858), (1325, 61672), (1378, 59300), (2120, 38545), (2372, 34450), (2600, 31429), (2650, 30836), (2756, 29650), (2965, 27560), (3445, 23720), (4744, 17225), (5300, 15418), (5512, 14825), (5930, 13780), (6890, 11860), (7709, 10600)]