19868600

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2423}}^1$

素因数の和:2480

約数の個数: 48

約数和(自身を含む): 47340720

約数和(自身を除く): 27472120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 2423, 4100, 4846, 8200, 9692, 12115, 19384, 24230, 48460, 60575, 96920, 99343, 121150, 198686, 242300, 397372, 484600, 496715, 794744, 993430, 1986860, 2483575, 3973720, 4967150, 9934300, 19868600]

約数ペア:

[(1, 19868600), (2, 9934300), (4, 4967150), (5, 3973720), (8, 2483575), (10, 1986860), (20, 993430), (25, 794744), (40, 496715), (41, 484600), (50, 397372), (82, 242300), (100, 198686), (164, 121150), (200, 99343), (205, 96920), (328, 60575), (410, 48460), (820, 24230), (1025, 19384), (1640, 12115), (2050, 9692), (2423, 8200), (4100, 4846)]