39809920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3659}}^1$

素因数の和:3695

約数の個数: 64

約数和(自身を含む): 100796400

約数和(自身を除く): 60986480

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, 3659, 5440, 7318, 10880, 14636, 18295, 29272, 36590, 58544, 62203, 73180, 117088, 124406, 146360, 234176, 248812, 292720, 311015, 468352, 497624, 585440, 622030, 995248, 1170880, 1244060, 1990496, 2341760, 2488120, 3980992, 4976240, 7961984, 9952480, 19904960, 39809920]

約数ペア:

[(1, 39809920), (2, 19904960), (4, 9952480), (5, 7961984), (8, 4976240), (10, 3980992), (16, 2488120), (17, 2341760), (20, 1990496), (32, 1244060), (34, 1170880), (40, 995248), (64, 622030), (68, 585440), (80, 497624), (85, 468352), (128, 311015), (136, 292720), (160, 248812), (170, 234176), (272, 146360), (320, 124406), (340, 117088), (544, 73180), (640, 62203), (680, 58544), (1088, 36590), (1360, 29272), (2176, 18295), (2720, 14636), (3659, 10880), (5440, 7318)]