413806640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:407

約数の個数: 120

約数和(自身を含む): 1054361088

約数和(自身を除く): 640554448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 169, 208, 241, 254, 260, 338, 482, 508, 520, 635, 676, 845, 964, 1016, 1040, 1205, 1270, 1352, 1651, 1690, 1928, 2032, 2410, 2540, 2704, 3133, 3302, 3380, 3856, 4820, 5080, 6266, 6604, 6760, 8255, 9640, 10160, 12532, 13208, 13520, 15665, 16510, 19280, 21463, 25064, 26416, 30607, 31330, 33020, 40729, 42926, 50128, 61214, 62660, 66040, 81458, 85852, 107315, 122428, 125320, 132080, 153035, 162916, 171704, 203645, 214630, 244856, 250640, 306070, 325832, 343408, 397891, 407290, 429260, 489712, 612140, 651664, 795782, 814580, 858520, 1224280, 1591564, 1629160, 1717040, 1989455, 2448560, 3183128, 3258320, 3978910, 5172583, 6366256, 7957820, 10345166, 15915640, 20690332, 25862915, 31831280, 41380664, 51725830, 82761328, 103451660, 206903320, 413806640]

約数ペア:

[(1, 413806640), (2, 206903320), (4, 103451660), (5, 82761328), (8, 51725830), (10, 41380664), (13, 31831280), (16, 25862915), (20, 20690332), (26, 15915640), (40, 10345166), (52, 7957820), (65, 6366256), (80, 5172583), (104, 3978910), (127, 3258320), (130, 3183128), (169, 2448560), (208, 1989455), (241, 1717040), (254, 1629160), (260, 1591564), (338, 1224280), (482, 858520), (508, 814580), (520, 795782), (635, 651664), (676, 612140), (845, 489712), (964, 429260), (1016, 407290), (1040, 397891), (1205, 343408), (1270, 325832), (1352, 306070), (1651, 250640), (1690, 244856), (1928, 214630), (2032, 203645), (2410, 171704), (2540, 162916), (2704, 153035), (3133, 132080), (3302, 125320), (3380, 122428), (3856, 107315), (4820, 85852), (5080, 81458), (6266, 66040), (6604, 62660), (6760, 61214), (8255, 50128), (9640, 42926), (10160, 40729), (12532, 33020), (13208, 31330), (13520, 30607), (15665, 26416), (16510, 25064), (19280, 21463)]