40207720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8447}}^1$

素因数の和:8482

約数の個数: 64

約数和(自身を含む): 109486080

約数和(自身を除く): 69278360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 8447, 16894, 33788, 42235, 59129, 67576, 84470, 118258, 143599, 168940, 236516, 287198, 295645, 337880, 473032, 574396, 591290, 717995, 1005193, 1148792, 1182580, 1435990, 2010386, 2365160, 2871980, 4020772, 5025965, 5743960, 8041544, 10051930, 20103860, 40207720]

約数ペア:

[(1, 40207720), (2, 20103860), (4, 10051930), (5, 8041544), (7, 5743960), (8, 5025965), (10, 4020772), (14, 2871980), (17, 2365160), (20, 2010386), (28, 1435990), (34, 1182580), (35, 1148792), (40, 1005193), (56, 717995), (68, 591290), (70, 574396), (85, 473032), (119, 337880), (136, 295645), (140, 287198), (170, 236516), (238, 168940), (280, 143599), (340, 118258), (476, 84470), (595, 67576), (680, 59129), (952, 42235), (1190, 33788), (2380, 16894), (4760, 8447)]