65827780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{821}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 146381760

約数和(自身を除く): 80553980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 211, 380, 422, 821, 844, 1055, 1642, 2110, 3284, 4009, 4105, 4220, 8018, 8210, 15599, 16036, 16420, 20045, 31198, 40090, 62396, 77995, 80180, 155990, 173231, 311980, 346462, 692924, 866155, 1732310, 3291389, 3464620, 6582778, 13165556, 16456945, 32913890, 65827780]

約数ペア:

[(1, 65827780), (2, 32913890), (4, 16456945), (5, 13165556), (10, 6582778), (19, 3464620), (20, 3291389), (38, 1732310), (76, 866155), (95, 692924), (190, 346462), (211, 311980), (380, 173231), (422, 155990), (821, 80180), (844, 77995), (1055, 62396), (1642, 40090), (2110, 31198), (3284, 20045), (4009, 16420), (4105, 16036), (4220, 15599), (8018, 8210)]