85148240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1$

素因数の和:624

約数の個数: 80

約数和(自身を含む): 211606992

約数和(自身を除く): 126458752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 137, 170, 272, 274, 340, 457, 548, 680, 685, 914, 1096, 1360, 1370, 1828, 2192, 2285, 2329, 2740, 3656, 4570, 4658, 5480, 7312, 7769, 9140, 9316, 10960, 11645, 15538, 18280, 18632, 23290, 31076, 36560, 37264, 38845, 46580, 62152, 62609, 77690, 93160, 124304, 125218, 155380, 186320, 250436, 310760, 313045, 500872, 621520, 626090, 1001744, 1064353, 1252180, 2128706, 2504360, 4257412, 5008720, 5321765, 8514824, 10643530, 17029648, 21287060, 42574120, 85148240]

約数ペア:

[(1, 85148240), (2, 42574120), (4, 21287060), (5, 17029648), (8, 10643530), (10, 8514824), (16, 5321765), (17, 5008720), (20, 4257412), (34, 2504360), (40, 2128706), (68, 1252180), (80, 1064353), (85, 1001744), (136, 626090), (137, 621520), (170, 500872), (272, 313045), (274, 310760), (340, 250436), (457, 186320), (548, 155380), (680, 125218), (685, 124304), (914, 93160), (1096, 77690), (1360, 62609), (1370, 62152), (1828, 46580), (2192, 38845), (2285, 37264), (2329, 36560), (2740, 31076), (3656, 23290), (4570, 18632), (4658, 18280), (5480, 15538), (7312, 11645), (7769, 10960), (9140, 9316)]