12710128960

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1281263}}^1$

素因数の和:1281311

約数の個数: 56

約数和(自身を含む): 31242341376

約数和(自身を除く): 18532212416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 1281263, 2562526, 5125052, 6406315, 10250104, 12812630, 20500208, 25625260, 39719153, 41000416, 51250520, 79438306, 82000832, 102501040, 158876612, 198595765, 205002080, 317753224, 397191530, 410004160, 635506448, 794383060, 1271012896, 1588766120, 2542025792, 3177532240, 6355064480, 12710128960]

約数ペア:

[(1, 12710128960), (2, 6355064480), (4, 3177532240), (5, 2542025792), (8, 1588766120), (10, 1271012896), (16, 794383060), (20, 635506448), (31, 410004160), (32, 397191530), (40, 317753224), (62, 205002080), (64, 198595765), (80, 158876612), (124, 102501040), (155, 82000832), (160, 79438306), (248, 51250520), (310, 41000416), (320, 39719153), (496, 25625260), (620, 20500208), (992, 12812630), (1240, 10250104), (1984, 6406315), (2480, 5125052), (4960, 2562526), (9920, 1281263)]