38643640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1747}}^1$

素因数の和:1844

約数の個数: 64

約数和(自身を含む): 100684800

約数和(自身を除く): 62041160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 1747, 2212, 2765, 3160, 3494, 4424, 5530, 6988, 8735, 11060, 12229, 13976, 17470, 22120, 24458, 34940, 48916, 61145, 69880, 97832, 122290, 138013, 244580, 276026, 489160, 552052, 690065, 966091, 1104104, 1380130, 1932182, 2760260, 3864364, 4830455, 5520520, 7728728, 9660910, 19321820, 38643640]

約数ペア:

[(1, 38643640), (2, 19321820), (4, 9660910), (5, 7728728), (7, 5520520), (8, 4830455), (10, 3864364), (14, 2760260), (20, 1932182), (28, 1380130), (35, 1104104), (40, 966091), (56, 690065), (70, 552052), (79, 489160), (140, 276026), (158, 244580), (280, 138013), (316, 122290), (395, 97832), (553, 69880), (632, 61145), (790, 48916), (1106, 34940), (1580, 24458), (1747, 22120), (2212, 17470), (2765, 13976), (3160, 12229), (3494, 11060), (4424, 8735), (5530, 6988)]