39950120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2339}}^1$

素因数の和:2418

約数の個数: 64

約数和(自身を含む): 104457600

約数和(自身を除く): 64507480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2339, 2440, 3416, 4270, 4678, 8540, 9356, 11695, 16373, 17080, 18712, 23390, 32746, 46780, 65492, 81865, 93560, 130984, 142679, 163730, 285358, 327460, 570716, 654920, 713395, 998753, 1141432, 1426790, 1997506, 2853580, 3995012, 4993765, 5707160, 7990024, 9987530, 19975060, 39950120]

約数ペア:

[(1, 39950120), (2, 19975060), (4, 9987530), (5, 7990024), (7, 5707160), (8, 4993765), (10, 3995012), (14, 2853580), (20, 1997506), (28, 1426790), (35, 1141432), (40, 998753), (56, 713395), (61, 654920), (70, 570716), (122, 327460), (140, 285358), (244, 163730), (280, 142679), (305, 130984), (427, 93560), (488, 81865), (610, 65492), (854, 46780), (1220, 32746), (1708, 23390), (2135, 18712), (2339, 17080), (2440, 16373), (3416, 11695), (4270, 9356), (4678, 8540)]