10171720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 25482240

約数和(自身を除く): 15310520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 631, 806, 1240, 1262, 1612, 2015, 2524, 3155, 3224, 4030, 5048, 6310, 8060, 8203, 12620, 16120, 16406, 19561, 25240, 32812, 39122, 41015, 65624, 78244, 82030, 97805, 156488, 164060, 195610, 254293, 328120, 391220, 508586, 782440, 1017172, 1271465, 2034344, 2542930, 5085860, 10171720]

約数ペア:

[(1, 10171720), (2, 5085860), (4, 2542930), (5, 2034344), (8, 1271465), (10, 1017172), (13, 782440), (20, 508586), (26, 391220), (31, 328120), (40, 254293), (52, 195610), (62, 164060), (65, 156488), (104, 97805), (124, 82030), (130, 78244), (155, 65624), (248, 41015), (260, 39122), (310, 32812), (403, 25240), (520, 19561), (620, 16406), (631, 16120), (806, 12620), (1240, 8203), (1262, 8060), (1612, 6310), (2015, 5048), (2524, 4030), (3155, 3224)]