38721920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3559}}^1$

素因数の和:3595

約数の個数: 64

約数和(自身を含む): 98042400

約数和(自身を除く): 59320480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 3559, 5440, 7118, 10880, 14236, 17795, 28472, 35590, 56944, 60503, 71180, 113888, 121006, 142360, 227776, 242012, 284720, 302515, 455552, 484024, 569440, 605030, 968048, 1138880, 1210060, 1936096, 2277760, 2420120, 3872192, 4840240, 7744384, 9680480, 19360960, 38721920]

約数ペア:

[(1, 38721920), (2, 19360960), (4, 9680480), (5, 7744384), (8, 4840240), (10, 3872192), (16, 2420120), (17, 2277760), (20, 1936096), (32, 1210060), (34, 1138880), (40, 968048), (64, 605030), (68, 569440), (80, 484024), (85, 455552), (128, 302515), (136, 284720), (160, 242012), (170, 227776), (272, 142360), (320, 121006), (340, 113888), (544, 71180), (640, 60503), (680, 56944), (1088, 35590), (1360, 28472), (2176, 17795), (2720, 14236), (3559, 10880), (5440, 7118)]