656117043440

素因数分解:

$2^4\times 5^1\times {\mathrm{122131}}^1\times {\mathrm{67153}}^1$

素因数の和:189297

約数の個数: 40

約数和(自身を含む): 1525507333008

約数和(自身を除く): 869390289568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 67153, 122131, 134306, 244262, 268612, 335765, 488524, 537224, 610655, 671530, 977048, 1074448, 1221310, 1343060, 1954096, 2442620, 2686120, 4885240, 5372240, 9770480, 8201463043, 16402926086, 32805852172, 41007315215, 65611704344, 82014630430, 131223408688, 164029260860, 328058521720, 656117043440]

約数ペア:

[(1, 656117043440), (2, 328058521720), (4, 164029260860), (5, 131223408688), (8, 82014630430), (10, 65611704344), (16, 41007315215), (20, 32805852172), (40, 16402926086), (80, 8201463043), (67153, 9770480), (122131, 5372240), (134306, 4885240), (244262, 2686120), (268612, 2442620), (335765, 1954096), (488524, 1343060), (537224, 1221310), (610655, 1074448), (671530, 977048)]