39397840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 98832960

約数和(自身を除く): 59435120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 59, 68, 80, 85, 118, 136, 170, 236, 272, 295, 340, 472, 491, 590, 680, 944, 982, 1003, 1180, 1360, 1964, 2006, 2360, 2455, 3928, 4012, 4720, 4910, 5015, 7856, 8024, 8347, 9820, 10030, 16048, 16694, 19640, 20060, 28969, 33388, 39280, 40120, 41735, 57938, 66776, 80240, 83470, 115876, 133552, 144845, 166940, 231752, 289690, 333880, 463504, 492473, 579380, 667760, 984946, 1158760, 1969892, 2317520, 2462365, 3939784, 4924730, 7879568, 9849460, 19698920, 39397840]

約数ペア:

[(1, 39397840), (2, 19698920), (4, 9849460), (5, 7879568), (8, 4924730), (10, 3939784), (16, 2462365), (17, 2317520), (20, 1969892), (34, 1158760), (40, 984946), (59, 667760), (68, 579380), (80, 492473), (85, 463504), (118, 333880), (136, 289690), (170, 231752), (236, 166940), (272, 144845), (295, 133552), (340, 115876), (472, 83470), (491, 80240), (590, 66776), (680, 57938), (944, 41735), (982, 40120), (1003, 39280), (1180, 33388), (1360, 28969), (1964, 20060), (2006, 19640), (2360, 16694), (2455, 16048), (3928, 10030), (4012, 9820), (4720, 8347), (4910, 8024), (5015, 7856)]