39645440

素因数分解:

$2^8\times 5^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:727

約数の個数: 72

約数和(自身を含む): 97130880

約数和(自身を除く): 57485440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 640, 659, 752, 940, 1280, 1318, 1504, 1880, 2636, 3008, 3295, 3760, 5272, 6016, 6590, 7520, 10544, 12032, 13180, 15040, 21088, 26360, 30080, 30973, 42176, 52720, 60160, 61946, 84352, 105440, 123892, 154865, 168704, 210880, 247784, 309730, 421760, 495568, 619460, 843520, 991136, 1238920, 1982272, 2477840, 3964544, 4955680, 7929088, 9911360, 19822720, 39645440]

約数ペア:

[(1, 39645440), (2, 19822720), (4, 9911360), (5, 7929088), (8, 4955680), (10, 3964544), (16, 2477840), (20, 1982272), (32, 1238920), (40, 991136), (47, 843520), (64, 619460), (80, 495568), (94, 421760), (128, 309730), (160, 247784), (188, 210880), (235, 168704), (256, 154865), (320, 123892), (376, 105440), (470, 84352), (640, 61946), (659, 60160), (752, 52720), (940, 42176), (1280, 30973), (1318, 30080), (1504, 26360), (1880, 21088), (2636, 15040), (3008, 13180), (3295, 12032), (3760, 10544), (5272, 7520), (6016, 6590)]