25307408

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 59710464

約数和(自身を除く): 34403056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 37, 56, 62, 74, 112, 124, 148, 197, 217, 248, 259, 296, 394, 434, 496, 518, 592, 788, 868, 1036, 1147, 1379, 1576, 1736, 2072, 2294, 2758, 3152, 3472, 4144, 4588, 5516, 6107, 7289, 8029, 9176, 11032, 12214, 14578, 16058, 18352, 22064, 24428, 29156, 32116, 42749, 48856, 51023, 58312, 64232, 85498, 97712, 102046, 116624, 128464, 170996, 204092, 225959, 341992, 408184, 451918, 683984, 816368, 903836, 1581713, 1807672, 3163426, 3615344, 6326852, 12653704, 25307408]

約数ペア:

[(1, 25307408), (2, 12653704), (4, 6326852), (7, 3615344), (8, 3163426), (14, 1807672), (16, 1581713), (28, 903836), (31, 816368), (37, 683984), (56, 451918), (62, 408184), (74, 341992), (112, 225959), (124, 204092), (148, 170996), (197, 128464), (217, 116624), (248, 102046), (259, 97712), (296, 85498), (394, 64232), (434, 58312), (496, 51023), (518, 48856), (592, 42749), (788, 32116), (868, 29156), (1036, 24428), (1147, 22064), (1379, 18352), (1576, 16058), (1736, 14578), (2072, 12214), (2294, 11032), (2758, 9176), (3152, 8029), (3472, 7289), (4144, 6107), (4588, 5516)]