80493849680

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1\times {\mathrm{15877}}^1$

素因数の和:16516

約数の個数: 80

約数和(自身を含む): 189011712000

約数和(自身を除く): 108517862320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 499, 508, 635, 998, 1016, 1270, 1996, 2032, 2495, 2540, 3992, 4990, 5080, 7984, 9980, 10160, 15877, 19960, 31754, 39920, 63373, 63508, 79385, 126746, 127016, 158770, 253492, 254032, 316865, 317540, 506984, 633730, 635080, 1013968, 1267460, 1270160, 2016379, 2534920, 4032758, 5069840, 7922623, 8065516, 10081895, 15845246, 16131032, 20163790, 31690492, 32262064, 39613115, 40327580, 63380984, 79226230, 80655160, 126761968, 158452460, 161310320, 316904920, 633809840, 1006173121, 2012346242, 4024692484, 5030865605, 8049384968, 10061731210, 16098769936, 20123462420, 40246924840, 80493849680]

約数ペア:

[(1, 80493849680), (2, 40246924840), (4, 20123462420), (5, 16098769936), (8, 10061731210), (10, 8049384968), (16, 5030865605), (20, 4024692484), (40, 2012346242), (80, 1006173121), (127, 633809840), (254, 316904920), (499, 161310320), (508, 158452460), (635, 126761968), (998, 80655160), (1016, 79226230), (1270, 63380984), (1996, 40327580), (2032, 39613115), (2495, 32262064), (2540, 31690492), (3992, 20163790), (4990, 16131032), (5080, 15845246), (7984, 10081895), (9980, 8065516), (10160, 7922623), (15877, 5069840), (19960, 4032758), (31754, 2534920), (39920, 2016379), (63373, 1270160), (63508, 1267460), (79385, 1013968), (126746, 635080), (127016, 633730), (158770, 506984), (253492, 317540), (254032, 316865)]