8889663940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1297}}^1\times {\mathrm{3533}}^1$

素因数の和:4936

約数の個数: 48

約数和(自身を含む): 18880635312

約数和(自身を除く): 9990971372

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1297, 1940, 2594, 3533, 5188, 6485, 7066, 12970, 14132, 17665, 25940, 35330, 70660, 125809, 251618, 342701, 503236, 629045, 685402, 1258090, 1370804, 1713505, 2516180, 3427010, 4582301, 6854020, 9164602, 18329204, 22911505, 45823010, 91646020, 444483197, 888966394, 1777932788, 2222415985, 4444831970, 8889663940]

約数ペア:

[(1, 8889663940), (2, 4444831970), (4, 2222415985), (5, 1777932788), (10, 888966394), (20, 444483197), (97, 91646020), (194, 45823010), (388, 22911505), (485, 18329204), (970, 9164602), (1297, 6854020), (1940, 4582301), (2594, 3427010), (3533, 2516180), (5188, 1713505), (6485, 1370804), (7066, 1258090), (12970, 685402), (14132, 629045), (17665, 503236), (25940, 342701), (35330, 251618), (70660, 125809)]