2728762640

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1\times {\mathrm{641}}^1$

素因数の和:1200

約数の個数: 80

約数和(自身を含む): 6419589120

約数和(自身を除く): 3690826480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 419, 508, 635, 641, 838, 1016, 1270, 1282, 1676, 2032, 2095, 2540, 2564, 3205, 3352, 4190, 5080, 5128, 6410, 6704, 8380, 10160, 10256, 12820, 16760, 25640, 33520, 51280, 53213, 81407, 106426, 162814, 212852, 266065, 268579, 325628, 407035, 425704, 532130, 537158, 651256, 814070, 851408, 1064260, 1074316, 1302512, 1342895, 1628140, 2128520, 2148632, 2685790, 3256280, 4257040, 4297264, 5371580, 6512560, 10743160, 21486320, 34109533, 68219066, 136438132, 170547665, 272876264, 341095330, 545752528, 682190660, 1364381320, 2728762640]

約数ペア:

[(1, 2728762640), (2, 1364381320), (4, 682190660), (5, 545752528), (8, 341095330), (10, 272876264), (16, 170547665), (20, 136438132), (40, 68219066), (80, 34109533), (127, 21486320), (254, 10743160), (419, 6512560), (508, 5371580), (635, 4297264), (641, 4257040), (838, 3256280), (1016, 2685790), (1270, 2148632), (1282, 2128520), (1676, 1628140), (2032, 1342895), (2095, 1302512), (2540, 1074316), (2564, 1064260), (3205, 851408), (3352, 814070), (4190, 651256), (5080, 537158), (5128, 532130), (6410, 425704), (6704, 407035), (8380, 325628), (10160, 268579), (10256, 266065), (12820, 212852), (16760, 162814), (25640, 106426), (33520, 81407), (51280, 53213)]