40013440

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{607}}^1$

素因数の和:729

約数の個数: 64

約数和(自身を含む): 96744960

約数和(自身を除く): 56731520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 320, 412, 515, 607, 640, 824, 1030, 1214, 1648, 2060, 2428, 3035, 3296, 4120, 4856, 6070, 6592, 8240, 9712, 12140, 13184, 16480, 19424, 24280, 32960, 38848, 48560, 62521, 65920, 77696, 97120, 125042, 194240, 250084, 312605, 388480, 500168, 625210, 1000336, 1250420, 2000672, 2500840, 4001344, 5001680, 8002688, 10003360, 20006720, 40013440]

約数ペア:

[(1, 40013440), (2, 20006720), (4, 10003360), (5, 8002688), (8, 5001680), (10, 4001344), (16, 2500840), (20, 2000672), (32, 1250420), (40, 1000336), (64, 625210), (80, 500168), (103, 388480), (128, 312605), (160, 250084), (206, 194240), (320, 125042), (412, 97120), (515, 77696), (607, 65920), (640, 62521), (824, 48560), (1030, 38848), (1214, 32960), (1648, 24280), (2060, 19424), (2428, 16480), (3035, 13184), (3296, 12140), (4120, 9712), (4856, 8240), (6070, 6592)]