71578400

素因数分解:

$2^5\times 5^2\times {\mathrm{131}}^1\times {\mathrm{683}}^1$

素因数の和:834

約数の個数: 72

約数和(自身を含む): 176332464

約数和(自身を除く): 104754064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 131, 160, 200, 262, 400, 524, 655, 683, 800, 1048, 1310, 1366, 2096, 2620, 2732, 3275, 3415, 4192, 5240, 5464, 6550, 6830, 10480, 10928, 13100, 13660, 17075, 20960, 21856, 26200, 27320, 34150, 52400, 54640, 68300, 89473, 104800, 109280, 136600, 178946, 273200, 357892, 447365, 546400, 715784, 894730, 1431568, 1789460, 2236825, 2863136, 3578920, 4473650, 7157840, 8947300, 14315680, 17894600, 35789200, 71578400]

約数ペア:

[(1, 71578400), (2, 35789200), (4, 17894600), (5, 14315680), (8, 8947300), (10, 7157840), (16, 4473650), (20, 3578920), (25, 2863136), (32, 2236825), (40, 1789460), (50, 1431568), (80, 894730), (100, 715784), (131, 546400), (160, 447365), (200, 357892), (262, 273200), (400, 178946), (524, 136600), (655, 109280), (683, 104800), (800, 89473), (1048, 68300), (1310, 54640), (1366, 52400), (2096, 34150), (2620, 27320), (2732, 26200), (3275, 21856), (3415, 20960), (4192, 17075), (5240, 13660), (5464, 13100), (6550, 10928), (6830, 10480)]