40906000

素因数分解:

$2^4\times 5^3\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:317

約数の個数: 80

約数和(自身を含む): 100337328

約数和(自身を除く): 59431328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 113, 125, 181, 200, 226, 250, 362, 400, 452, 500, 565, 724, 904, 905, 1000, 1130, 1448, 1808, 1810, 2000, 2260, 2825, 2896, 3620, 4520, 4525, 5650, 7240, 9040, 9050, 11300, 14125, 14480, 18100, 20453, 22600, 22625, 28250, 36200, 40906, 45200, 45250, 56500, 72400, 81812, 90500, 102265, 113000, 163624, 181000, 204530, 226000, 327248, 362000, 409060, 511325, 818120, 1022650, 1636240, 2045300, 2556625, 4090600, 5113250, 8181200, 10226500, 20453000, 40906000]

約数ペア:

[(1, 40906000), (2, 20453000), (4, 10226500), (5, 8181200), (8, 5113250), (10, 4090600), (16, 2556625), (20, 2045300), (25, 1636240), (40, 1022650), (50, 818120), (80, 511325), (100, 409060), (113, 362000), (125, 327248), (181, 226000), (200, 204530), (226, 181000), (250, 163624), (362, 113000), (400, 102265), (452, 90500), (500, 81812), (565, 72400), (724, 56500), (904, 45250), (905, 45200), (1000, 40906), (1130, 36200), (1448, 28250), (1808, 22625), (1810, 22600), (2000, 20453), (2260, 18100), (2825, 14480), (2896, 14125), (3620, 11300), (4520, 9050), (4525, 9040), (5650, 7240)]