405282560

素因数分解:

$2^8\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2417}}^1$

素因数の和:2569

約数の個数: 72

約数和(自身を含む): 978593616

約数和(自身を除く): 573311056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 256, 262, 320, 524, 640, 655, 1048, 1280, 1310, 2096, 2417, 2620, 4192, 4834, 5240, 8384, 9668, 10480, 12085, 16768, 19336, 20960, 24170, 33536, 38672, 41920, 48340, 77344, 83840, 96680, 154688, 167680, 193360, 309376, 316627, 386720, 618752, 633254, 773440, 1266508, 1546880, 1583135, 2533016, 3093760, 3166270, 5066032, 6332540, 10132064, 12665080, 20264128, 25330160, 40528256, 50660320, 81056512, 101320640, 202641280, 405282560]

約数ペア:

[(1, 405282560), (2, 202641280), (4, 101320640), (5, 81056512), (8, 50660320), (10, 40528256), (16, 25330160), (20, 20264128), (32, 12665080), (40, 10132064), (64, 6332540), (80, 5066032), (128, 3166270), (131, 3093760), (160, 2533016), (256, 1583135), (262, 1546880), (320, 1266508), (524, 773440), (640, 633254), (655, 618752), (1048, 386720), (1280, 316627), (1310, 309376), (2096, 193360), (2417, 167680), (2620, 154688), (4192, 96680), (4834, 83840), (5240, 77344), (8384, 48340), (9668, 41920), (10480, 38672), (12085, 33536), (16768, 24170), (19336, 20960)]