4001028080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1399}}^1\times {\mathrm{5107}}^1$

素因数の和:6526

約数の個数: 80

約数和(自身を含む): 10640985600

約数和(自身を除く): 6639957520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1399, 2798, 5107, 5596, 6995, 9793, 10214, 11192, 13990, 19586, 20428, 22384, 25535, 27980, 35749, 39172, 40856, 48965, 51070, 55960, 71498, 78344, 81712, 97930, 102140, 111920, 142996, 156688, 178745, 195860, 204280, 285992, 357490, 391720, 408560, 571984, 714980, 783440, 1429960, 2859920, 7144693, 14289386, 28578772, 35723465, 50012851, 57157544, 71446930, 100025702, 114315088, 142893860, 200051404, 250064255, 285787720, 400102808, 500128510, 571575440, 800205616, 1000257020, 2000514040, 4001028080]

約数ペア:

[(1, 4001028080), (2, 2000514040), (4, 1000257020), (5, 800205616), (7, 571575440), (8, 500128510), (10, 400102808), (14, 285787720), (16, 250064255), (20, 200051404), (28, 142893860), (35, 114315088), (40, 100025702), (56, 71446930), (70, 57157544), (80, 50012851), (112, 35723465), (140, 28578772), (280, 14289386), (560, 7144693), (1399, 2859920), (2798, 1429960), (5107, 783440), (5596, 714980), (6995, 571984), (9793, 408560), (10214, 391720), (11192, 357490), (13990, 285992), (19586, 204280), (20428, 195860), (22384, 178745), (25535, 156688), (27980, 142996), (35749, 111920), (39172, 102140), (40856, 97930), (48965, 81712), (51070, 78344), (55960, 71498)]