508718440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131113}}^1$

素因数の和:131221

約数の個数: 32

約数和(自身を含む): 1156425480

約数和(自身を除く): 647707040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 131113, 262226, 524452, 655565, 1048904, 1311130, 2622260, 5244520, 12717961, 25435922, 50871844, 63589805, 101743688, 127179610, 254359220, 508718440]

約数ペア:

[(1, 508718440), (2, 254359220), (4, 127179610), (5, 101743688), (8, 63589805), (10, 50871844), (20, 25435922), (40, 12717961), (97, 5244520), (194, 2622260), (388, 1311130), (485, 1048904), (776, 655565), (970, 524452), (1940, 262226), (3880, 131113)]