10865000

素因数分解:

$2^3\times 5^4\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 80

約数和(自身を含む): 26569620

約数和(自身を除く): 15704620

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 53, 82, 100, 106, 125, 164, 200, 205, 212, 250, 265, 328, 410, 424, 500, 530, 625, 820, 1000, 1025, 1060, 1250, 1325, 1640, 2050, 2120, 2173, 2500, 2650, 4100, 4346, 5000, 5125, 5300, 6625, 8200, 8692, 10250, 10600, 10865, 13250, 17384, 20500, 21730, 25625, 26500, 33125, 41000, 43460, 51250, 53000, 54325, 66250, 86920, 102500, 108650, 132500, 205000, 217300, 265000, 271625, 434600, 543250, 1086500, 1358125, 2173000, 2716250, 5432500, 10865000]

約数ペア:

[(1, 10865000), (2, 5432500), (4, 2716250), (5, 2173000), (8, 1358125), (10, 1086500), (20, 543250), (25, 434600), (40, 271625), (41, 265000), (50, 217300), (53, 205000), (82, 132500), (100, 108650), (106, 102500), (125, 86920), (164, 66250), (200, 54325), (205, 53000), (212, 51250), (250, 43460), (265, 41000), (328, 33125), (410, 26500), (424, 25625), (500, 21730), (530, 20500), (625, 17384), (820, 13250), (1000, 10865), (1025, 10600), (1060, 10250), (1250, 8692), (1325, 8200), (1640, 6625), (2050, 5300), (2120, 5125), (2173, 5000), (2500, 4346), (2650, 4100)]