2542930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 5096448

約数和(自身を除く): 2553518

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 631, 806, 1262, 2015, 3155, 4030, 6310, 8203, 16406, 19561, 39122, 41015, 82030, 97805, 195610, 254293, 508586, 1271465, 2542930]

約数ペア:

[(1, 2542930), (2, 1271465), (5, 508586), (10, 254293), (13, 195610), (26, 97805), (31, 82030), (62, 41015), (65, 39122), (130, 19561), (155, 16406), (310, 8203), (403, 6310), (631, 4030), (806, 3155), (1262, 2015)]