12148280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 28788480

約数和(自身を除く): 16640200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 97, 101, 124, 155, 194, 202, 248, 310, 388, 404, 485, 505, 620, 776, 808, 970, 1010, 1240, 1940, 2020, 3007, 3131, 3880, 4040, 6014, 6262, 9797, 12028, 12524, 15035, 15655, 19594, 24056, 25048, 30070, 31310, 39188, 48985, 60140, 62620, 78376, 97970, 120280, 125240, 195940, 303707, 391880, 607414, 1214828, 1518535, 2429656, 3037070, 6074140, 12148280]

約数ペア:

[(1, 12148280), (2, 6074140), (4, 3037070), (5, 2429656), (8, 1518535), (10, 1214828), (20, 607414), (31, 391880), (40, 303707), (62, 195940), (97, 125240), (101, 120280), (124, 97970), (155, 78376), (194, 62620), (202, 60140), (248, 48985), (310, 39188), (388, 31310), (404, 30070), (485, 25048), (505, 24056), (620, 19594), (776, 15655), (808, 15035), (970, 12524), (1010, 12028), (1240, 9797), (1940, 6262), (2020, 6014), (3007, 4040), (3131, 3880)]