16409540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 43008000

約数和(自身を除く): 26598460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 133, 140, 155, 190, 199, 217, 266, 310, 380, 398, 434, 532, 589, 620, 665, 796, 868, 995, 1085, 1178, 1330, 1393, 1990, 2170, 2356, 2660, 2786, 2945, 3781, 3980, 4123, 4340, 5572, 5890, 6169, 6965, 7562, 8246, 11780, 12338, 13930, 15124, 16492, 18905, 20615, 24676, 26467, 27860, 30845, 37810, 41230, 43183, 52934, 61690, 75620, 82460, 86366, 105868, 117211, 123380, 132335, 172732, 215915, 234422, 264670, 431830, 468844, 529340, 586055, 820477, 863660, 1172110, 1640954, 2344220, 3281908, 4102385, 8204770, 16409540]

約数ペア:

[(1, 16409540), (2, 8204770), (4, 4102385), (5, 3281908), (7, 2344220), (10, 1640954), (14, 1172110), (19, 863660), (20, 820477), (28, 586055), (31, 529340), (35, 468844), (38, 431830), (62, 264670), (70, 234422), (76, 215915), (95, 172732), (124, 132335), (133, 123380), (140, 117211), (155, 105868), (190, 86366), (199, 82460), (217, 75620), (266, 61690), (310, 52934), (380, 43183), (398, 41230), (434, 37810), (532, 30845), (589, 27860), (620, 26467), (665, 24676), (796, 20615), (868, 18905), (995, 16492), (1085, 15124), (1178, 13930), (1330, 12338), (1393, 11780), (1990, 8246), (2170, 7562), (2356, 6965), (2660, 6169), (2786, 5890), (2945, 5572), (3781, 4340), (3980, 4123)]