39551440

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 95922432

約数和(自身を除く): 56370992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 67, 80, 94, 134, 157, 188, 235, 268, 314, 335, 376, 470, 536, 628, 670, 752, 785, 940, 1072, 1256, 1340, 1570, 1880, 2512, 2680, 3140, 3149, 3760, 5360, 6280, 6298, 7379, 10519, 12560, 12596, 14758, 15745, 21038, 25192, 29516, 31490, 36895, 42076, 50384, 52595, 59032, 62980, 73790, 84152, 105190, 118064, 125960, 147580, 168304, 210380, 251920, 295160, 420760, 494393, 590320, 841520, 988786, 1977572, 2471965, 3955144, 4943930, 7910288, 9887860, 19775720, 39551440]

約数ペア:

[(1, 39551440), (2, 19775720), (4, 9887860), (5, 7910288), (8, 4943930), (10, 3955144), (16, 2471965), (20, 1977572), (40, 988786), (47, 841520), (67, 590320), (80, 494393), (94, 420760), (134, 295160), (157, 251920), (188, 210380), (235, 168304), (268, 147580), (314, 125960), (335, 118064), (376, 105190), (470, 84152), (536, 73790), (628, 62980), (670, 59032), (752, 52595), (785, 50384), (940, 42076), (1072, 36895), (1256, 31490), (1340, 29516), (1570, 25192), (1880, 21038), (2512, 15745), (2680, 14758), (3140, 12596), (3149, 12560), (3760, 10519), (5360, 7379), (6280, 6298)]