65865250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 137884032

約数和(自身を除く): 72018782

約数列:

[1, 2, 5, 10, 11, 22, 25, 43, 50, 55, 86, 110, 125, 215, 250, 275, 430, 473, 550, 557, 946, 1075, 1114, 1375, 2150, 2365, 2750, 2785, 4730, 5375, 5570, 6127, 10750, 11825, 12254, 13925, 23650, 23951, 27850, 30635, 47902, 59125, 61270, 69625, 118250, 119755, 139250, 153175, 239510, 263461, 306350, 526922, 598775, 765875, 1197550, 1317305, 1531750, 2634610, 2993875, 5987750, 6586525, 13173050, 32932625, 65865250]

約数ペア:

[(1, 65865250), (2, 32932625), (5, 13173050), (10, 6586525), (11, 5987750), (22, 2993875), (25, 2634610), (43, 1531750), (50, 1317305), (55, 1197550), (86, 765875), (110, 598775), (125, 526922), (215, 306350), (250, 263461), (275, 239510), (430, 153175), (473, 139250), (550, 119755), (557, 118250), (946, 69625), (1075, 61270), (1114, 59125), (1375, 47902), (2150, 30635), (2365, 27850), (2750, 23951), (2785, 23650), (4730, 13925), (5375, 12254), (5570, 11825), (6127, 10750)]