81799360

素因数分解:

$2^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2389}}^1$

素因数の和:2513

約数の個数: 56

約数和(自身を含む): 196687440

約数和(自身を除く): 114888080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 160, 214, 320, 428, 535, 856, 1070, 1712, 2140, 2389, 3424, 4280, 4778, 6848, 8560, 9556, 11945, 17120, 19112, 23890, 34240, 38224, 47780, 76448, 95560, 152896, 191120, 255623, 382240, 511246, 764480, 1022492, 1278115, 2044984, 2556230, 4089968, 5112460, 8179936, 10224920, 16359872, 20449840, 40899680, 81799360]

約数ペア:

[(1, 81799360), (2, 40899680), (4, 20449840), (5, 16359872), (8, 10224920), (10, 8179936), (16, 5112460), (20, 4089968), (32, 2556230), (40, 2044984), (64, 1278115), (80, 1022492), (107, 764480), (160, 511246), (214, 382240), (320, 255623), (428, 191120), (535, 152896), (856, 95560), (1070, 76448), (1712, 47780), (2140, 38224), (2389, 34240), (3424, 23890), (4280, 19112), (4778, 17120), (6848, 11945), (8560, 9556)]