40013897840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10207627}}^1$

素因数の和:10207654

約数の個数: 60

約数和(自身を含む): 108221272056

約数和(自身を除く): 68207374216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10207627, 20415254, 40830508, 51038135, 71453389, 81661016, 102076270, 142906778, 163322032, 204152540, 285813556, 357266945, 408305080, 500173723, 571627112, 714533890, 816610160, 1000347446, 1143254224, 1429067780, 2000694892, 2500868615, 2858135560, 4001389784, 5001737230, 5716271120, 8002779568, 10003474460, 20006948920, 40013897840]

約数ペア:

[(1, 40013897840), (2, 20006948920), (4, 10003474460), (5, 8002779568), (7, 5716271120), (8, 5001737230), (10, 4001389784), (14, 2858135560), (16, 2500868615), (20, 2000694892), (28, 1429067780), (35, 1143254224), (40, 1000347446), (49, 816610160), (56, 714533890), (70, 571627112), (80, 500173723), (98, 408305080), (112, 357266945), (140, 285813556), (196, 204152540), (245, 163322032), (280, 142906778), (392, 102076270), (490, 81661016), (560, 71453389), (784, 51038135), (980, 40830508), (1960, 20415254), (3920, 10207627)]