40016240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1229}}^1$

素因数の和:1290

約数の個数: 80

約数和(自身を含む): 104323680

約数和(自身を除く): 64307440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 1229, 1480, 1628, 2035, 2458, 2960, 3256, 4070, 4916, 6145, 6512, 8140, 9832, 12290, 13519, 16280, 19664, 24580, 27038, 32560, 45473, 49160, 54076, 67595, 90946, 98320, 108152, 135190, 181892, 216304, 227365, 270380, 363784, 454730, 500203, 540760, 727568, 909460, 1000406, 1081520, 1818920, 2000812, 2501015, 3637840, 4001624, 5002030, 8003248, 10004060, 20008120, 40016240]

約数ペア:

[(1, 40016240), (2, 20008120), (4, 10004060), (5, 8003248), (8, 5002030), (10, 4001624), (11, 3637840), (16, 2501015), (20, 2000812), (22, 1818920), (37, 1081520), (40, 1000406), (44, 909460), (55, 727568), (74, 540760), (80, 500203), (88, 454730), (110, 363784), (148, 270380), (176, 227365), (185, 216304), (220, 181892), (296, 135190), (370, 108152), (407, 98320), (440, 90946), (592, 67595), (740, 54076), (814, 49160), (880, 45473), (1229, 32560), (1480, 27038), (1628, 24580), (2035, 19664), (2458, 16280), (2960, 13519), (3256, 12290), (4070, 9832), (4916, 8140), (6145, 6512)]